000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Unaudited Condensed Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Unaudited Condensed Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Unaudited Condensed Consolidated Statements of Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Unaudited Consolidated Statements of Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Unaudited Condensed Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Nature of the Business and Operations and Liquidity link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Revenue Recognition link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Computation of Net Loss Per Common Share link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Goodwill link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Accounts Receivable link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Inventory link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Property, Plant and Equipment link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Accounts Payable and Accrued Expenses link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 12 - Warrants and Derivative Liabilities link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 13 - Leases link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 14 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 15 - Business Segments link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 16 - Recent Accounting Pronouncements link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 17 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 2 - Revenue Recognition (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 3 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 4 - Computation of Net Loss Per Common Share (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 6 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 7 - Accounts Receivable (Tables) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 8 - Inventory (Tables) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 9 - Property, Plant and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 10 - Accounts Payable and Accrued Expenses (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 13 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 15 - Business Segments (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 1 - Nature of the Business and Operations and Liquidity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 2 - Revenue Recognition 1 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 2 - Revenue Recognition 2 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 2 - Revenue Recognition - Contract Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 2 - Revenue Recognition - Revenues By Major Customers (Details) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 3 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 3 - Stock-based Compensation - Stock-based Compensation Expense By Financial Statement Line Item (Details) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 3 - Stock-based Compensation - Black Scholes Valuation (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 4 - Computation of Net Loss Per Common Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 4 - Computation of Net Loss Per Common Share - Reconciliation of Numerators and Denominators of EPS Calculation (Details) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 6 - Fair Value Measurements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 6 - Fair Value Measurements - Assets and Liabilities Carried at Fair Value on a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 7 - Accounts Receivable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 7 - Accounts Receivable - Summary of Accounts Receivable (Details) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 8 - Inventory (Details Textual) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 8 - Inventory - Summary of Net Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 9 - Property, Plant and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 9 - Property, Plant and Equipment - Cost and Accumulated Depreciation of Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 10 - Accounts Payable and Accrued Expenses (Details Textual) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 10 - Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 10 - Accounts Payable and Accrued Expenses - Product Warranty Activity (Details) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 11 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 12 - Warrants and Derivative Liabilities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 13 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 13 - Leases - Operating Lease Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 13 - Leases - Lease Cost (Details) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 13 - Leases - Minimum Future Lease Obligation (Details) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 14 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 15 - Business Segments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 15 - Business Segments - Operating Results for Business Segments (Details) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 15 - Business Segments - Total Business Segments Assets (Details) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 17 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink