0001437749-24-017655 | 10-Q | XBRL Viewer | Liquidmetal Technologies INC

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2024		2023

Work in progress	$	25	$	25
Finished goods		-		-
Total	$	25	$	25

Note 12 - Other Long-term Liabilities (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Other Liabilities, Noncurrent	$ 902	$ 902
Loans Payable, Noncurrent	$ 859	859
Period for Outstanding Liability (Year)	5 years
Lease Deposit Liability	$ 43	$ 43

Note 5 - Trade Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	March 31,		December 31,
	2024		2023
Trade accounts receivable	$	184	$	186
Less: Allowance for doubtful accounts		-		-
Trade accounts receivable	$	184	$	186

Note 1 - Description of Business

3 Months Ended

Mar. 31, 2024

Business Description and Basis of Presentation [Text Block]

1. Description of Business

Liquidmetal Technologies, Inc. (the “Company”) is a materials technology company that works with manufacturing and commercial partners to develop and commercialize products made from proprietary amorphous alloys. The Company’s family of alloys consists of a variety of bulk alloys and composites that utilize the advantages offered by amorphous alloys technology. The Company works with partners to design, develop, and sell products and custom parts from bulk amorphous alloys for sale in a wide range of industries. The Company also partners with third-party manufacturers and licensees to develop and commercialize Liquidmetal alloy products.

Amorphous alloys are, in general, unique materials that are distinguished by their ability to retain a random atomic structure when they solidify, in contrast to the crystalline atomic structure that forms in other metals and alloys when they solidify. Liquidmetal alloys are proprietary amorphous alloys that possess a combination of performance, processing, and potential cost advantages that the Company believes will make them preferable to other materials in a variety of applications. The amorphous atomic structure of bulk alloys enables them to overcome certain performance limitations caused by inherent weaknesses in crystalline atomic structures, thus facilitating performance and processing characteristics superior in many ways to those of their crystalline counterparts. The Company believes that the alloys and the molding technologies it employs may result in components, for many applications, that exhibit: exceptional dimensional control and repeatability that rivals precision machining, excellent corrosion resistance, brilliant surface finish, high strength, high hardness, high elastic limit, alloys that are non-magnetic, and the ability to form complex shapes common to the injection molding of plastics. Interestingly, all of these characteristics are achievable from the molding process, so design engineers often do not have to select specific alloys to achieve one or more of the characteristics as is the case with crystalline materials. The Company believes these advantages could result in Liquidmetal alloys supplanting high-performance alloys, such as titanium and stainless steel, and other incumbent materials in a wide variety of applications. Moreover, the Company believes these advantages could enable the introduction of entirely new products and applications that are not possible or commercially viable with other materials.

The Company’s bulk amorphous alloy technology is a relatively new technology as compared to many other material technologies, such as plastics and widely-used high-performance crystalline alloys. Historically, the successful commercialization of a new material technology has required the persistent improvement and refining of the technology over a sometimes lengthy period of time. Accordingly, the Company believes that its future success will be dependent on its ability to continue expanding and improving its technology platform by, among other things, constantly refining and improving its processes, optimizing its existing amorphous alloy compositions for various applications, and developing and improving new bulk amorphous alloy compositions.

The Company’s revenues are derived from i) selling bulk amorphous alloy custom products and parts for applications which include, but are not limited to, non-consumer electronic devices, medical products, automotive components, and sports and leisure goods; ii) selling tooling and prototype parts such as demonstration parts and test samples for customers with products in development; and iii) product licensing and royalty revenue.

Note 4 - Investments in Debt Securities - Amortized Cost and Fair Value of Investments in Debt Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Investment in debt securities, amortized cost	$ 13,619	$ 14,338
Investment in debt securities, fair value	13,685	14,390
US Treasury and Government [Member]
Investment in debt securities, amortized cost	9,508	9,733
Investment in debt securities, fair value	9,599	9,838
Corporate Debt Securities [Member]
Investment in debt securities, amortized cost	4,111	4,605
Investment in debt securities, fair value	$ 4,086	$ 4,552

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Note 2 - Basis of Presentation and Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2024

Basis of Presentation and Significant Accounting Policies [Text Block]

2. Basis of Presentation and Recent Accounting Pronouncements

The accompanying unaudited interim consolidated financial statements as of and for the three months ended March 31, 2024 and 2023 have been prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q. Accordingly, they do not include all of the information and notes required by US GAAP for complete financial statements. In the opinion of management, all adjustments (consisting only of normal recurring accruals) considered necessary for a fair presentation have been included. All intercompany balances and transactions have been eliminated in consolidation. Operating results for the three months ended March 31, 2024 are not necessarily indicative of the results that may be expected for any future periods or the year ending December 31, 2024. The accompanying unaudited consolidated financial statements should be read in conjunction with the Company's 2023 Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on March 12, 2024.

Investments in Debt Securities

The Company will invest excess funds to maximize investment yield, while maintaining liquidity and minimizing credit risk. Debt securities are carried at fair value and consist primarily of investments in obligations of the United States Treasury, various U.S. and foreign corporations, and certificates of deposits. The Company classifies its investments in debt securities as available-for-sale with all unrealized gains or losses included as part of other comprehensive income. The Company evaluates its debt securities with unrealized losses on a quarterly basis for potential other-than-temporary impairments in value. As a result of this assessment, the Company did not recognize any other-than-temporary impairment losses considered to be credit related for the three months ended March 31, 2024 and 2023.

Fair Value Measurements

The estimated fair values of financial instruments reported in the consolidated financial statements have been determined using available market information and valuation methodologies, as applicable. The fair value of cash and restricted cash approximate their carrying value due to their short maturities and are classified as Level 1 instruments within the fair value hierarchy.

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Entities are required to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value based upon the following fair value hierarchy:

Level 1 —

Quoted prices in active markets for identical assets or liabilities;

Level 2 —

Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

Level 3 —

Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

As of March 31, 2024, the following table represents the Company’s fair value hierarchy for items that are required to be measured at fair value on a recurring basis:

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	12,344	$	10,262	$	2,082	$	-
Investments in debt securities (long-term)		1,341		447		894		-

As of December 31, 2023, the following table represents the Company’s fair value hierarchy for items that are required to be measured at fair value on a recurring basis:

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	13,292	$	10,681	$	2,611	$	-
Investments in debt securities (long-term)		1,098		449		649		-

Leases

The Company leases its manufacturing facility under a long-term contract, which is accounted for as an operating lease. The lease provides for a fixed base rent and variable payments comprised of reimbursements for property taxes, insurance, utilities, and common area maintenance. The lease has a term of sixty-two months, exclusive of options to renew. In accordance with ASC 842, Leases, lease income, which includes escalating rents over the term of the lease, is recorded on a straight-line basis over the expected lease term. The difference between lease income and payments received is recorded as a rent receivable, which is included as a prepaid expense in the consolidated balance sheets. Amounts paid for broker commissions represent prepaid direct lease costs and will be amortized as an off-set to lease income over the lease term.

Other Recent Pronouncements

Other recent accounting pronouncements issued by the FASB (including its Emerging Issues Task Force) and the SEC did not or are not believed by management to have a material impact on the Company's present or future consolidated financial statements.

Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Investment, Policy [Policy Text Block]

Investments in Debt Securities

Fair Value Measurement, Policy [Policy Text Block]

Fair Value Measurements

Level 1 —

Quoted prices in active markets for identical assets or liabilities;

Level 2 —

Level 3 —

Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

As of March 31, 2024, the following table represents the Company’s fair value hierarchy for items that are required to be measured at fair value on a recurring basis:

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	12,344	$	10,262	$	2,082	$	-
Investments in debt securities (long-term)		1,341		447		894		-

As of December 31, 2023, the following table represents the Company’s fair value hierarchy for items that are required to be measured at fair value on a recurring basis:

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	13,292	$	10,681	$	2,611	$	-
Investments in debt securities (long-term)		1,098		449		649		-

Lessee, Leases [Policy Text Block]

Leases

New Accounting Pronouncements, Policy [Policy Text Block]

Other Recent Pronouncements

Disclosure of accounting policy for investment in financial asset.

+ References + Details

Note 11 - Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued payroll, vacation, and bonuses	$ 117	$ 138
Accrued audit fees	52	106
Total	$ 169	$ 244

Note 10 - Other Assets - Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Other Assets	$ 183	$ 223
Utility Deposits [Member]
Other Assets	14	14
Prepaid Lease Costs and Long-term Receivables [Member]
Other Assets	$ 169	$ 209

Note 6 - Prepaid Expenses and Other Current Assets

3 Months Ended

Mar. 31, 2024

Prepaid Expenses and Other Current Assets [Text Block]

6. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets were comprised of the following:

	March 31,		December 31,
	2024		2023

Prepaid service invoices	$	96	$	109
Prepaid insurance premiums		146		233
Prepaid lease costs and receivables- short term		21		22
Interest and other receivables		112		86
Total	$	375	$	450

Note 6 - Prepaid Expenses and Other Current Assets - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Prepaid service invoices	$ 96	$ 109
Prepaid insurance premiums	146	233
Prepaid lease costs and receivables- short term	21	22
Interest and other receivables	112	86
Total	$ 375	$ 450

Note 8 - Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Selling, General and Administrative Expenses [Member]
Depreciation	$ 78	$ 78

Note 8 - Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Table Text Block]

	March 31,			December 31,
	2024			2023

Land, building, and improvements	$	9,610		$	9,610
Machinery and equipment		1,304			1,304
Computer equipment		272			272
Office equipment, furnishings, and improvements		51			51
Total		11,237			11,237
Accumulated depreciation		(3,647	)		(3,569	)
Total property and equipment, net	$	7,590		$	7,668

Note 7 - Inventories

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Text Block]

7. Inventories

Inventories were comprised of the following:

	March 31,		December 31,
	2024		2023

Work in progress	$	25	$	25
Finished goods		-		-
Total	$	25	$	25

Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net loss	$ (314)	$ (587)
Other comprehensive income (loss), net of tax
Net unrealized gains (losses) on available-for-sale securities	8	164
Other comprehensive income (loss), net of tax	8	164
Comprehensive loss	(306)	(423)
Less: Comprehensive loss attributable to noncontrolling interests	0	0
Comprehensive loss attributable to Liquidmetal Technologies shareholders	$ (306)	$ (423)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References + Details

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Note 8 - Property and Equipment, Net

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment Disclosure [Text Block]

8. Property and Equipment, net

Property and equipment were comprised of the following:

	March 31,			December 31,
	2024			2023

Land, building, and improvements	$	9,610		$	9,610
Machinery and equipment		1,304			1,304
Computer equipment		272			272
Office equipment, furnishings, and improvements		51			51
Total		11,237			11,237
Accumulated depreciation		(3,647	)		(3,569	)
Total property and equipment, net	$	7,590		$	7,668

Depreciation expense for three months ended March 31, 2024 and 2023 were $78 and $78, respectively. Such amounts were included in selling, marketing, general, and administrative expenses within Company’s consolidated statements of operations.

Note 11 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2024		2023

Accrued payroll, vacation, and bonuses	$	117	$	138
Accrued audit fees		52		106
Total	$	169	$	244

Note 3 - Significant Transactions

3 Months Ended

Mar. 31, 2024

Significant Transactions [Text Block]

3. Significant Transactions

Amorphology License Agreement

On March 15, 2024, Liquidmetal Technologies, Inc. (the “Company”) entered into a First Amendment to License Agreement (the “First Amendment”) with Amorphology Inc. (“Amorphology”), which amended a License Agreement, dated November 22, 2019, previously entered into by the Company and Amorphology (the “Original License Agreement,” and together with the First Amendment, the “Amended License Agreement”). The Company has determined that, as a result of the First Amendment, the Amended License Agreement has become a material definitive agreement of the Company.

The Amended License Agreement grants Amorphology a non-exclusive royalty bearing license under all patents, patent applications, and technical information of the Company in existence as of the date of the First Amendment to make, use, offer to sell, sell, export, and import products utilizing Engel injection molding machines in a field of use consisting of the worldwide industry for amorphous metal parts and components, excluding consumer electronic products, jewelry, certain luxury products, and other product categories and territories that are subject to a license grant to third parties. The license bears a running royalty equal to a percentage of Amorphology’s sales of licensed products as well as for sales to customers referred to Amorphology by the Company. The Company may also utilize Amorphology as a third-party contract manufacturer. The Amended License Agreement is for a term of five (5) years, with automatic 1-year extensions unless terminated by either party upon at least 6 months notice prior to the expiration of the then-current term.

Yihao Manufacturing Agreement

On January 12, 2022, the Company entered into a manufacturing agreement (“Manufacturing Agreement”) with Dongguan Yihao Metal Materials Technology Co. Ltd. (“Yihao”) to become the primary contract manufacturer of the Company’s products. Under the Manufacturing Agreement, which has a term of five years, Yihao has agreed to serve as a non-exclusive contract manufacturer for amorphous alloy parts offered and sold by the Company at prices determined on a “cost-plus” basis. Yihao is an affiliate of Dongguan Eontec Co. Ltd. and Professor Lugee Li, our Chairman and largest beneficial owner of the Company’s capital stock.

Corporate Facility Purchase and Lease

On February 16, 2017, the Company purchased a 41,000 square foot facility (the “Facility”) located in Lake Forest, CA, where operations commenced during July 2017. The purchase price for the Facility was $7,818.

On January 23, 2020, 20321 Valencia, LLC, a Delaware limited liability company and wholly owned subsidiary of the Company, entered into a lease agreement (the “Facility Lease”) pursuant to which the Company leased to MatterHackers, Inc., a Delaware corporation (“Tenant”), an approximately 32,534 square foot portion of the Facility. The lease term is for 5 years and 2 months and is scheduled to expire on April 30, 2025. The base rent payable under the Facility Lease is $32,534 per month initially and is subject to periodic increases up to a maximum of approximately $54,000 per month. Tenant will pay approximately 79% of common operating expresses. The Facility Lease has other customary provisions, including provisions relating to default and usage restrictions. The Facility Lease grants to Tenant a right to extend the lease for one additional 60-month period at market rental value.

2016 Purchase Agreement

On March 10, 2016, the Company entered into a Securities Purchase Agreement (the “2016 Purchase Agreement”) with Liquidmetal Technology Limited, a Hong Kong company (the “Investor”), which is controlled by the Company’s Chairman, Professor Li. The 2016 Purchase Agreement provided for the purchase by the Investor of a total of 405,000,000 shares of the Company’s common stock for an aggregate purchase price of $63,400. The transaction occurred in multiple closings, with the Investor having purchased 105,000,000 shares at a purchase price of $8,400 (or $0.08 per share) at the initial closing on March 10, 2016 and the remaining 200,000,000 shares at $0.15 per share and 100,000,000 shares at $0.25 per share for an aggregate purchase price of $55,000 on October 26, 2016.

In addition to the shares issuable under the 2016 Purchase Agreement, the Company issued to the Investor a warrant to acquire 10,066,809 shares of common stock (of which the right to exercise 2,609,913 of the warrant shares vested on March 10, 2016 and the right to exercise the remaining 7,456,896 warrant shares vested on October 26, 2016 at an exercise price of $0.07 per share). The warrant will expire on the tenth anniversary of its issuance date.

The 2016 Purchase Agreement also provided that, with certain limited exceptions, if the Company issues any shares of common stock at any time through the fifth anniversary of the 2016 Purchase Agreement, the Investor will have a preemptive right to subscribe for and to purchase at the same price per share (or at market price, in the case of issuance of shares pursuant to stock options) the number of shares necessary to maintain its ownership percentage of Company-issued shares of common stock.

Eontec License Agreement

On March 10, 2016, in connection with the 2016 Purchase Agreement, the Company and DongGuan Eontec Co., Ltd., a Hong Kong corporation (“Eontec”), entered into a Parallel License Agreement (the “License Agreement”) pursuant to which the Company and Eontec agreed to cross-license their respective technologies. The Company’s Chairman, Professor Li, is also the Chairman of Eontec.

The License Agreement provides for the cross-license of certain patents, technical information, and trademarks between the Company and Eontec. In particular, the Company granted to Eontec a paid-up, royalty-free, perpetual license to the Company’s patents and related technical information to make, have made, use, offer to sell, sell, export, and import products in certain geographic areas outside of North America and Europe. In turn, Eontec granted to the Company a paid-up, royalty-free, perpetual license to Eontec’s patents and related technical information to make, have made, use, offer to sell, sell, export, and import products in certain geographic areas outside of specified countries in Asia. The license granted by the Company to Eontec is exclusive (including to the exclusion of the Company) in the countries of Brunei, Cambodia, China (P.R.C and R.O.C.), East Timor, Indonesia, Japan, Laos, Malaysia, Myanmar, Philippines, Singapore, South Korea, Thailand, and Vietnam. The license granted by Eontec to the Company is exclusive (including to the exclusion of Eontec) in North America and Europe. The cross-licenses are non-exclusive in geographic areas outside of the foregoing exclusive territories.

Eutectix Business Development Agreement

On January 31, 2020, the Company entered into a Business Development Agreement (the “Agreement”) with Eutectix, LLC, a Delaware limited liability company (“Eutectix”), which provides for collaboration, joint development efforts, and the manufacturing of products based on the Company’s proprietary amorphous metal alloys. Under the Agreement, the Company licensed to Eutectix specified equipment owned by the Company, including two injection molding machines, two diecasting machines, and other machines and equipment, all of which will be used to make product for Company customers and Eutectix customers. The licensed machines and equipment represented substantially all of the machinery and equipment then held by the Company. The Company has also licensed to Eutectix various patents and technical information related to the Company’s proprietary technology. Under the Agreement, Eutectix agreed to pay the Company a royalty of six percent (6%) of the net sales price of licensed products sold by Eutectix, and Eutectix will also manufacture for the Company product ordered by the Company. The Agreement has a term of five years, subject to renewal provisions and the ability of either party to terminate earlier upon specified circumstances.

Apple License Transaction

On August 5, 2010, the Company entered into a license transaction with Apple Inc. (“Apple”) pursuant to which (i) the Company contributed substantially all of its intellectual property assets to a newly organized special-purpose, wholly-owned subsidiary, called Crucible Intellectual Property, LLC (“CIP”), (ii) CIP granted to Apple a perpetual, worldwide, exclusive license to commercialize such intellectual property in the field of consumer electronic products, as defined in the license agreement, in exchange for a one-time, upfront license fee, and (iii) CIP granted back to the Company a perpetual, worldwide, fully-paid, exclusive license to commercialize such intellectual property in all other fields of use.

Under the agreements relating to the license transaction with Apple, the Company was obligated to contribute, to CIP, all intellectual property developed through February 2016. The Company is also obligated to maintain certain limited liability company formalities with respect to CIP at all times after the closing of the license transaction.

Liquidmetal Golf Sublicense Agreement

Liquidmetal Golf Inc. (“Liquidmetal Golf” or “LMG”) is a majority-owned subsidiary which has the exclusive right and license to utilize our Liquidmetal alloy technology for purposes of golf equipment applications. This right and license is set forth in an intercompany license agreement dated January 1, 2002 between Liquidmetal Technologies and Liquidmetal Golf. This license agreement provides that Liquidmetal Golf has a perpetual and exclusive license to use Liquidmetal alloy technology for the purpose of manufacturing, marketing, and selling golf club components and other products used in the sport of golf. The Company owns 79% of the outstanding common stock in Liquidmetal Golf.

On January 13, 2022, Liquidmetal Golf entered into a sublicense agreement (“LMG Sublicense Agreement”) with Amorphous Technologies Japan, Inc. (“ATJ”), a newly formed Japanese entity that was established by Twins Corporation, a sporting goods company operating in Japan. Under the agreement, LMG granted ATJ a nonexclusive worldwide sublicense to the Company’s amorphous alloy technology and related trademarks to manufacture and sell golf clubs and golf related products. The LMG Sublicense Agreement has a term of three years and provides for the payment of a running royalty to LMG of 3% of the net sales price of licensed products.

Swatch Group License

In March 2009, the Company entered into a license agreement with Swatch Group, Ltd. (“Swatch”) under which Swatch was granted a non-exclusive license to the Company’s technology to produce and market watches and certain other luxury products. In March 2011, this license agreement was amended to grant Swatch exclusive rights as to watches as against all third parties (including the Company), but non-exclusive as to Apple. The Company will receive royalty payments over the life of the contract on all Liquidmetal products produced and sold by Swatch. The license agreement with Swatch will expire on the expiration date of the last licensed patent.

Note 4 - Investments in Debt Securities (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest and Investment Income [Member]
Debt Securities, Available-for-Sale, Realized Gain (Loss)	$ 243	$ 100

Note 8 - Property and Equipment, Net - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property and equipment, gross	$ 11,237	$ 11,237
Accumulated depreciation	(3,647)	(3,569)
Total property and equipment, net	7,590	7,668
Land, Buildings and Improvements [Member]
Property and equipment, gross	9,610	9,610
Machinery and Equipment [Member]
Property and equipment, gross	1,304	1,304
Computer Equipment [Member]
Property and equipment, gross	272	272
Office Equipment, Furnishings and Improvements [Member]
Property and equipment, gross	$ 51	$ 51

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]	Item 5 – Other Information None.
Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false

Note 15 - Loss Per Common Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Text Block]

15. Loss Per Common Share

Basic earnings per share (“EPS”) is computed by dividing earnings (loss) attributable to common shareholders by the weighted average number of common shares outstanding for the periods. Diluted EPS reflects the potential dilution of securities that could share in the earnings.

Options to purchase 26,584,667 shares of common stock at prices ranging from $0.05 to $0.38 per share were outstanding at March 31, 2024, but were not included in the computation of diluted EPS for the same period as the inclusion would have been antidilutive, given the Company’s net loss. Options to purchase 26,595,667 shares of common stock at prices ranging from $0.07 to $0.38 per share were outstanding as of March 31, 2023, but were not included in the computation of diluted EPS for the same period as the inclusion would have been antidilutive, given the Company’s net loss.

Warrants to purchase 10,066,809 shares of common stock, priced at $0.07 per share, outstanding at each of March 31, 2024 and March 31, 2023 were not included in the computation of diluted EPS for the same period as the inclusion would have been antidilutive, given the Company’s net loss.

Note 10 - Other Assets (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Other Assets, Noncurrent [Table Text Block]

	March 31,		December 31,
	2024		2023

Utility deposits	$	14	$	14
Prepaid lease costs and receivables- long term		169		209
Total	$	183	$	223

Note 5 - Trade Accounts Receivable

3 Months Ended

Mar. 31, 2024

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

5. Trade Accounts Receivable

Trade accounts receivable were comprised of the following:

	March 31,		December 31,
	2024		2023
Trade accounts receivable	$	184	$	186
Less: Allowance for doubtful accounts		-		-
Trade accounts receivable	$	184	$	186

Note 7 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Work in progress	$ 25	$ 25
Finished goods	0	0
Total	$ 25	$ 25

Consolidated Statements of Operations (Unaudited) - USD ($) $ / shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue:
Revenues	$ 173	$ 30
Cost of sales	134	23
Gross profit	39	7
Operating expenses:
Selling, marketing, general and administrative	763	806
Research and development	4	6
Operating Expenses	767	812
Operating loss	(728)	(805)
Other income (expense):
Lease income	171	118
Interest and investment income	243	100
Nonoperating Income (Expense)	414	218
Loss from operations	(314)	(587)
Income taxes	0	0
Net loss	(314)	(587)
Net loss attributable to non-controlling interest	0	0
Net loss attributable to Liquidmetal Technologies shareholders	$ (314)	$ (587)
Per common share basic and diluted:
Net loss per common share attributable to Liquidmetal Technologies shareholders, basic (in dollars per share)	$ (0)	$ (0)
Net loss per common share attributable to Liquidmetal Technologies shareholders, diluted (in dollars per share)	$ (0)	$ (0)
Number of weighted average shares - basic (in shares)	917,285,149	917,285,149
Number of weighted average shares - diluted (in shares)	917,285,149	917,285,149
Product [Member]
Revenue:
Revenues	$ 173	$ 30
License [Member]
Revenue:
Revenues	$ 0	$ 0

Note 17 - Subsequent Events

3 Months Ended

Mar. 31, 2024

Subsequent Events [Text Block]

17. Subsequent Events

The Company follows the guidance in FASB ASC Topic 855, Subsequent Events (“ASC 855”), which provides guidance to establish general standards of accounting for and disclosures of events that occur after the balance sheet date but before the consolidated financial statements are issued or are available to be issued. ASC 855 sets forth (i) the period after the balance sheet date during which management of a reporting entity evaluates events or transactions that may occur for potential recognition or disclosure in the consolidated financial statements, (ii) the circumstances under which an entity should recognize events or transactions occurring after the balance sheet date in its consolidated financial statements, and (iii) the disclosures that an entity should make about events or transactions that occurred after the balance sheet date. Accordingly, the Company did not have any subsequent events that require disclosure.

Note 14 - Facility Lease

3 Months Ended

Mar. 31, 2024

Lessor, Operating Leases [Text Block]

14. Facility Lease

Amounts collected under the Facility Lease are comprised of base rents and reimbursements for direct facility expenses (property taxes and insurance), common area maintenance, and utilities. Amounts recorded to lease income are comprised of base rents and direct facility expenses, recorded on a straight-line basis over the lease term. Reimbursements for common area maintenance and utility expense are recorded as reductions to like expenses within sales, general, and administrative costs.

The future minimum rents due to the Company under the Facility Lease are as follows:

Year	Base Rents

2024 (remaining nine months)	$	339
2025		153
2026		-
2027		-
Thereafter		-
	$	492

Note 5 - Trade Accounts Receivable - Trade Accounts Receivable Table (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Trade accounts receivable	$ 184	$ 186
Less: Allowance for doubtful accounts	0	0
Trade accounts receivable	$ 184	$ 186

Note 2 - Basis of Presentation and Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other-than-temporary Impairment Loss, Debt Securities	$ 0	$ 0
Lessor, Operating Lease, Term of Contract (Month)	62 months

Note 4 - Investments in Debt Securities

3 Months Ended

Mar. 31, 2024

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

4. Investments in Debt Securities

The following table sets forth amortized cost fair value, and unrealized gains (losses) of investments in debt securities (short-term and long-term):

		Amortized Cost				Fair Value
	*Longest*	*March 31,*		*December 31,*		*March 31,*		*December 31,*
	*Maturity Date*	*2024*		*2023*		*2024*		*2023*

U.S. government and agency securities	2025		9,508		9,733		9,599		9,838
Corporate bonds	2029		4,111		4,605		4,086		4,552
			13,619		14,338		13,685		14,390

Income from these investments totaled $243 and $100 during the three months ended March, 2024 and 2023, respectively. Such amounts are included as a portion of interest and investment income on the Company’s consolidated statements of operations.

Based on the Company’s review of its debt securities that are individually in an unrealized loss position at March 31, 2024, it was determined that the losses were primarily the result current economic factors, impacting all global debt and equity markets, that are the result of global macro events. The impact of the Company’s investment portfolio is considered to be temporary, rather than a deterioration of overall credit quality. As of March 31, 2024, all investments are current on their scheduled interest and dividend payments. The Company does not intend to sell and it is not likely that the Company will be required to sell these securities prior to recovering their amortized cost. As such, the Company does not consider these securities to be other-than-temporarily impaired as of March 31, 2024.

Note 6 - Prepaid Expenses and Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Prepaid Expenses and Other Current Assets [Table Text Block]

	March 31,		December 31,
	2024		2023

Prepaid service invoices	$	96	$	109
Prepaid insurance premiums		146		233
Prepaid lease costs and receivables- short term		21		22
Interest and other receivables		112		86
Total	$	375	$	450

Note 12 - Other Long-term Liabilities

3 Months Ended

Mar. 31, 2024

Other Liabilities Disclosure [Text Block]

12. Other Long-Term Liabilities

Other long-term liabilities was $902 as of March 31, 2024 and December 31, 2023, and consisted of $859 of long-term, aged payables to vendors, individuals, and other third parties that have been outstanding for more than 5 years. Also included in the balance is $43 in tenant deposits under the Facility Lease.

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 9,398	$ 8,837
Restricted cash	5	5
Investments in debt securities- short term	12,344	13,292
Trade accounts receivable, net of allowance for doubtful accounts	184	186
Inventories	25	25
Prepaid expenses and other current assets	375	450
Total current assets	22,331	22,795
Investments in debt securities- long term	1,341	1,098
Property and equipment, net	7,590	7,668
Patents and trademarks, net	48	52
Other Assets	183	223
Total assets	31,493	31,836
Current liabilities:
Accounts payable	113	94
Accrued liabilities	169	244
Deferred revenue	0	6
Total current liabilities	282	344
Other long-term liabilities	902	902
Total liabilities	1,184	1,246
Shareholders' equity:
Common stock, $0.001 par value; 1,100,000,000 shares authorized; 917,285,149 shares issued and outstanding	917	917
Warrants	18,179	18,179
Additional paid-in capital	288,151	288,126
Accumulated deficit	(277,057)	(276,743)
Accumulated other comprehensive income	198	190
Non-controlling interest in subsidiary	(79)	(79)
Total shareholders' equity	30,309	30,590
Total liabilities and shareholders' equity	$ 31,493	$ 31,836

Note 13 - Stock Compensation Plans

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Text Block]

13. Stock Compensation Plans

On June 28, 2012, the Company adopted the 2012 Equity Incentive Plan (“2012 Plan”), with the approval of the shareholders, which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. The 2012 Plan provides for the granting to employees of incentive stock options within the meaning of Section 422 of the Internal Revenue Code of 1986, as amended, and for the granting to employees and consultants of non-statutory stock options. In addition, the Plan permits the granting of stock appreciation rights, or SARs, with or independently of options, as well as stock bonuses and rights to purchase restricted stock. A total of 30,000,000 shares of the Company’s common stock may be granted under the 2012 Equity Incentive Plan, and all options granted under this plan had exercise prices that were equal to the fair market value on the date of grant. On December 16, 2021, the Company granted option grants under the Company’s 2012 Equity Incentive Plan, as approved to by the Board, for employees up to 1,400,000 shares of the Company’s common stock in total. Under this plan, the Company had outstanding grants of options to purchase 3,073,000 and 2,993,000 shares of the Company’s common stock as of March 31, 2024 and December 31, 2023, respectively.

On January 27, 2015, the Company adopted its 2015 Equity Incentive Plan (“2015 Plan”), which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. A total of 40,000,000 shares of the Company’s common stock are available for issuance under the 2015 Plan. All options granted under the 2015 Plan had exercise prices that were equal to the fair market value on the dates of grant. Under the 2015 Plan, the Company granted options on July 7, 2021 to purchase 7,500,000 shares of Company common stock to Mr. Chung, options on December 16, 2021 to purchase 600,000 shares of Company’s common stock to directors, and options on March 12, 2024 to purchase 9,250,000 shares of Company’s common stock to employees and director.

FASB ASC 718, Compensation – Stock Compensation, requires all share-based payments to employees, including grants of employee stock options, to be recognized in the financial statements based on their fair values. Under ASC 718, the Company is required to measure the cost of employee services received in exchange for stock options and similar awards based on the grant-date fair value of the award and recognize this cost in the income statement over the period during which an employee is required to provide service in exchange for the award.

Stock based compensation expense attributable to these plans was $25 and $34 for the three months ended March 31, 2024 and 2023, respectively.

Expected volatilities are based on historical volatility expected over the expected life of the options. The Company uses historical data to estimate option exercise and employee termination within the valuation model. The expected term of options granted represents the period of time that options granted are expected to be outstanding. Expected forfeiture rates are determined based on historical forfeitures over a five-year period. The risk-free rate used for the period within the expected life of the options is based on U.S. Treasury rates in effect at the time of grant.

Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid in Capital, Attributable to Warrants [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2022	0	917,285,149
Balance at Dec. 31, 2022		$ 917	$ 18,179	$ 288,013	$ (274,696)	$ (296)	$ (78)	$ 32,039
Stock-based compensation		0	0	34	0	0	0	34
Net loss		0	0	0	(587)	0	0	(587)
Other comprehensive loss		$ 0	0	0	0	164	0	164
Balance (in shares) at Mar. 31, 2023	0	917,285,149
Balance at Mar. 31, 2023		$ 917	18,179	288,047	(275,283)	(132)	(78)	31,650
Balance (in shares) at Dec. 31, 2023	0	917,285,149
Balance at Dec. 31, 2023		$ 917	18,179	288,126	(276,743)	190	(79)	30,590
Stock-based compensation		0	0	25	0	0	0	25
Net loss		0	0	0	(314)	0	0	(314)
Other comprehensive loss		$ 0	0	0	0	8	0	8
Balance (in shares) at Mar. 31, 2024	0	917,285,149
Balance at Mar. 31, 2024		$ 917	$ 18,179	$ 288,151	$ (277,057)	$ 198	$ (79)	$ 30,309

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity.

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Document And Entity Information - shares	3 Months Ended
Document And Entity Information - shares	Mar. 31, 2024	May 17, 2024
Document Information [Line Items]
Entity Central Index Key	0001141240
Entity Registrant Name	LIQUIDMETAL TECHNOLOGIES INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2024
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-31332
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	33-0264467
Entity Address, Address Line One	20321 Valencia Circle
Entity Address, City or Town	Lake Forest
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92630
City Area Code	949
Local Phone Number	635-2100
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		917,285,149

Note 9 - Patents and Trademarks, Net - Patents and Trademarks (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Intangible assets, gross	$ 2,400	$ 2,400
Accumulated amortization	(2,352)	(2,348)
Total intangible assets, net	48	52
Purchased and Licensed Patent Rights [Member]
Intangible assets, gross	566	566
Internally Developed Patents [Member]
Intangible assets, gross	1,686	1,686
Trademarks [Member]
Intangible assets, gross	$ 148	$ 148

Note 4 - Investments in Debt Securities (Tables)

3 Months Ended

Mar. 31, 2024

Debt Securities, Available-for-Sale [Table Text Block]

		Amortized Cost				Fair Value
	*Longest*	*March 31,*		*December 31,*		*March 31,*		*December 31,*
	*Maturity Date*	*2024*		*2023*		*2024*		*2023*

U.S. government and agency securities	2025		9,508		9,733		9,599		9,838
Corporate bonds	2029		4,111		4,605		4,086		4,552
			13,619		14,338		13,685		14,390

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
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-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Note 13 - Stock Compensation Plans (Details Textual) - USD ($) $ in Thousands				3 Months Ended
	Mar. 12, 2024	Dec. 16, 2021	Jul. 07, 2021	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Jan. 27, 2015
Share-Based Payment Arrangement, Expense				$ 25	$ 34
Equity Incentive Plan 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)				30,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)				3,073,000		2,993,000
Equity Incentive Plan 2012 [Member] \| Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)				1,400,000
Equity Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)							40,000,000
Equity Incentive Plan 2015 [Member] \| Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)			7,500,000
Equity Incentive Plan 2015 [Member] \| Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	9,250,000	600,000

Note 9 - Patents and Trademarks, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Amortization of Intangible Assets	$ 4	$ 6
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	17 years

Note 11 - Accrued Liabilities

3 Months Ended

Mar. 31, 2024

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

11. Accrued Liabilities

Accrued liabilities were comprised of the following:

	March 31,		December 31,
	2024		2023

Accrued payroll, vacation, and bonuses	$	117	$	138
Accrued audit fees		52		106
Total	$	169	$	244

Note 16 - Related Party Transactions

3 Months Ended

Mar. 31, 2024

16. Related Party Transactions

On March 10, 2016, the Company entered into the 2016 Purchase Agreement with Liquidmetal Technology Limited, providing for the purchase of 405,000,000 shares of the Company’s common stock for an aggregate purchase price of $63,400. Liquidmetal Technology Limited was a newly formed company owned by Professor Li. In connection with the 2016 Purchase Agreement and also on March 10, 2016, the Company and Eontec entered into a license agreement pursuant to which the Company and Eontec entered into a cross-license of their respective technologies. Eontec is a publicly held Hong Kong corporation of which Professor Li is the Chairman. Eontec is also an affiliate of Yihao. Yihao is currently the Company’s primary contract manufacturer. As of March 31, 2024 and December 31, 2023, Professor Li is a greater-than 5% beneficial owner of the Company and serves as the Company’s Chairman. Equipment and services procured from Eontec, and their affiliates, were $115 and $301 during the three months ended March 31, 2024 and 2023, respectively. As of March 31, 2024 and December 31, 2023, the Company has outstanding payables to Eontec, and their affiliates of $0 and $30, respectively.

On May 10, 2022, Mr. Abdi Mahamedi resigned as a director of the Company. In connection with Mr. Mahamedi’s resignation, the Board of Directors of the Company approved an amendment to Mr. Mahamedi’s previously granted options to purchase an aggregate of 1,870,000 shares of Company common stock to provide for the extension of the exercise period of the options through May 10, 2025. Upon Mr. Mahamedi’s resignation as a director, the Company entered into a Consulting Agreement, dated May 10, 2022, with Rosewood LLC pursuant to which Mr. Mahamedi as the owner of Rosewood LLC will assess and present business opportunities for the licensing and sublicensing of the Company’s technology. Mr. Mahamedi will also provide business development services and perform other special projects as requested by the Company. The Consulting Agreement has a term of 5 years, subject to the right of the Company or Mr. Mahamedi to terminate the agreement at any time after December 1, 2022 and subject to certain other early-termination rights. As sole consideration for the Consulting Agreement, the Company granted to Mr. Mahamedi an option to purchase up to 2.0 million shares of Company common stock at an exercise price of the closing market price of the Company’s common stock on May 10, 2022 that will vest 33% on the first anniversary of the grant date and the remainder vesting monthly over the ensuing two years, provided that Mr. Mahamedi continues to be engaged as a consultant on each such vesting date. The options have a term of 5 years.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-URI https://asc.fasb.org/1943274/2147480990/946-20-50-5

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-6

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 235
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-Section 50
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-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
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-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 220
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.6-07(2)(e))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/850/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Section 50
-Paragraph 6
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-URI https://asc.fasb.org/1943274/2147483326/850-10-50-6

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Note 9 - Patents and Trademarks, Net (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	March 31,			December 31,
	2024			2023

Purchased and licensed patent rights	$	566		$	566
Internally developed patents		1,686			1,686
Trademarks		148			148
Total intangible assets		2,400			2,400
Accumulated amortization		(2,352	)		(2,348	)
Total intangible assets, net	$	48		$	52

Note 15 - Loss Per Common Share (Details Textual) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	26,584,667	26,595,667
Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 0.05	$ 0.07
Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 0.38	$ 0.38
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	10,066,809	10,066,809
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.07	$ 0.07

Note 2 - Basis of Presentation and Recent Accounting Pronouncements (Tables)

3 Months Ended

Mar. 31, 2024

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	12,344	$	10,262	$	2,082	$	-
Investments in debt securities (long-term)		1,341		447		894		-

	Fair Value		Level 1		Level 2		Level 3

Investments in debt securities (short-term)	$	13,292	$	10,681	$	2,611	$	-
Investments in debt securities (long-term)		1,098		449		649		-

Note 16 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands		3 Months Ended
	May 10, 2022	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Mar. 10, 2016
Former Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	1,870,000
Former Director [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	33.00%
Maximum [Member] \| Former Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	2,000,000
Chairman of Eontec [Member] \| Minimum [Member]
Beneficial Ownership Percentage				5.00%
Eontec [Member] \| License Agreement [Member]
Related Party Transaction, Amounts of Transaction		$ 115	$ 301
Accounts Payable		$ 0		$ 30
The 2016 Purchase Agreement [Member]
Common Stock Purchase Agreement, Number of Shares Authorized to Issue and Sell to Investors (in shares)					405,000,000
Common Stock Purchase Agreement, Value of Shares Authorized to Issue and Sell to Investors					$ 63,400

Note 10 - Other Assets

3 Months Ended

Mar. 31, 2024

Other Assets Disclosure [Text Block]

10. Other Assets

Other assets were comprised of the following:

	March 31,		December 31,
	2024		2023

Utility deposits	$	14	$	14
Prepaid lease costs and receivables- long term		169		209
Total	$	183	$	223

Note 14 - Facility Lease (Tables)

3 Months Ended

Mar. 31, 2024

Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]

Year	Base Rents

2024 (remaining nine months)	$	339
2025		153
2026		-
2027		-
Thereafter		-
	$	492

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	1,100,000,000	1,100,000,000
Common stock, shares issued (in shares)	917,285,149	917,285,149
Common stock, shares outstanding (in shares)	917,285,149	917,285,149

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net loss	$ (314)	$ (587)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	82	84
Realized investment gains (loss), net	(198)	0
Unrealized investment gain (loss), net	8	0
Stock-based compensation	25	34
Changes in operating assets and liabilities:
Trade accounts receivable	2	(8)
Prepaid expenses and other current assets	75	115
Other assets	40	6
Accounts payable and accrued liabilities	(56)	(50)
Deferred revenue	(6)	12
Net cash used in operating activities	(342)	(394)
Investing Activities:
Purchases of debt securities	(3,045)	(3,673)
Proceeds from sales of debt securities	3,948	8,648
Net cash provided by (used in) investing activities	903	4,975
Net increase (decrease) in cash, cash equivalents, and restricted cash	561	4,581
Cash, cash equivalents, and restricted cash at beginning of period	8,842	2,274
Cash, cash equivalents, and restricted cash at end of period	9,403	6,855
Supplemental disclosures of cash flow information
Interest	0	0
Income taxes	$ 0

Note 9 - Patents and Trademarks, Net

3 Months Ended

Mar. 31, 2024