000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Description of Business link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Significant Transactions link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Investments in Debt Securities link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Trade Accounts Receivable link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Prepaid Expenses and Other Current Assets link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Inventory link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Patents and Trademarks, Net link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Equipment Held for Sale link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Other Assets link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Accrued Liabilities link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Other Long-term Liabilities link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Stock Compensation Plan link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Facility Lease link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 16 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 17 - Accumulated Other Comprehensive Income ("AOCI") link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 18 - Loss Per Common Share link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 19 - Segment Information link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 20 - 401(k) Savings Plan link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 21 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 22 - Quarterly Financial Information (Unaudited) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 4 - Investments in Debt Securities (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 5 - Trade Accounts Receivable (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 6 - Prepaid Expenses and Other Current Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 7 - Inventory (Tables) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 8 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 9 - Patents and Trademarks, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 11 - Other Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 12 - Accrued Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 14 - Stock Compensation Plan (Tables) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 15 - Facility Lease (Tables) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 16 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 17 - Accumulated Other Comprehensive Income ("AOCI") (Tables) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 22 - Quarterly Financial Information (Unaudited) (Tables) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Fair Value of Items Measured on a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 3 - Significant Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 4 - Investments in Debt Securities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 4 - Investments in Debt Securities - Amortized Cost and Fair Value of Investments in Debt Securities (Details) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 5 - Trade Accounts Receivable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 5 - Trade Accounts Receivable - Trade Accounts Receivable Table (Details) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 6 - Prepaid Expenses and Other Current Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 6 - Prepaid Expenses and Other Current Assets - Prepaid Expenses and Other Current Assets (Details) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 7 - Inventory (Details Textual) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 7 - Inventory - Schedule of Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 8 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 8 - Property and Equipment - Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 9 - Patents and Trademarks, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 9 - Patents and Trademarks, Net - Patents and Trademarks (Details) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 9 - Patents and Trademarks, Net - Estimated Future Aggregate Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 9 - Patents and Trademarks, Net - Accumulated Amortization (Details) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 9 - Patents and Trademarks, Net - Weighted Average Amortization Periods (Details) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 10 - Equipment Held for Sale (Details Textual) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 11 - Other Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 11 - Other Assets - Other Assets (Details) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 12 - Accrued Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 066 - Disclosure - Note 12 - Accrued Liabilities - Schedule of Accrued Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 067 - Disclosure - Note 13 - Other Long-term Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 068 - Disclosure - Note 14 - Stock Compensation Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 069 - Disclosure - Note 14 - Stock Compensation Plan - Summary of Stock Option Transactions (Details) link:calculationLink link:definitionLink link:presentationLink 070 - Disclosure - Note 14 - Stock Compensation Plan - Supplemental Stock Option Information (Details) link:calculationLink link:definitionLink link:presentationLink 071 - Disclosure - Note 14 - Stock Compensation Plan - Summary of Stock Options Outstanding and Exercisable by Ranges of Option Prices (Details) link:calculationLink link:definitionLink link:presentationLink 072 - Disclosure - Note 15 - Facility Lease - Base Rents (Details) link:calculationLink link:definitionLink link:presentationLink 073 - Disclosure - Note 16 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 074 - Disclosure - Note 16 - Income Taxes - Significant Components of Deferred Tax Assets (Details) link:calculationLink link:definitionLink link:presentationLink 075 - Disclosure - Note 16 - Income Taxes - Differences Between the Expected Federal Tax Benefit and Actual Tax Provision (Details) link:calculationLink link:definitionLink link:presentationLink 076 - Disclosure - Note 17 - Accumulated Other Comprehensive Income ("AOCI") - Summary of Changes in AOCI (Details) link:calculationLink link:definitionLink link:presentationLink 077 - Disclosure - Note 18 - Loss Per Common Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 078 - Disclosure - Note 19 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 079 - Disclosure - Note 20 - 401(k) Savings Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 080 - Disclosure - Note 21 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 081 - Disclosure - Note 22 - Quarterly Financial Information (Unaudited) - Quarterly Financial Information (Details) link:calculationLink link:definitionLink link:presentationLink