Document and Entity Information Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Series A Convertible Preferred Stock [Member] Seriesa Convertible Preferred Stock [Member] Series A Convertible Preferred Stock [Member] Series A Exchangeable Preferred Stock [Member] Seriesa Exchangeable Preferred Stock [Member] Series A Exchangeable Preferred Stock [Member] Asset ASSETS Current assets: Current assets: Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS, END OF PERIOD Cash and cash equivalents, beginning of period Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net of allowance Inventory, Net Inventories Inventories, total Other Assets, Current Other current assets Assets, Current Total current assets Property and equipment: Property and equipment: Leasehold Improvements, Gross Leasehold improvements Equipment at Customers Equipment at Customers Equipment at customers Machinery and Equipment, Gross Machinery and equipment Property, Plant and Equipment, Gross Property and equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation and amortization Property, Plant and Equipment, Net Property and equipment, net Intangible and other assets, net Intangible and Other Assets, Net Intangible and other assets, net Assets Total assets Liabilities and Stockholders' Equity Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Loans Payable to Bank, Current Current portion of long-term debt Liabilities, Current Total current liabilities Sale Leaseback Transaction, Deferred Gain, Net Deferred gain on sale and leaseback of property Long-term Debt, Excluding Current Maturities Long-term portion Long-term debt, less current portion Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders' equity: Stockholders' equity: Preferred Stock, Value, Issued Preferred stock Common Stock Common stock, $.004 par value per share, 40,000,000 shares 19,502,629 and 19,324,549 shares issued at March 31, 2014 and December 31, 2013, respectively, including shares held in treasury Treasury Stock, Value Common stock held in treasury, at cost - 86,000 shares Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Preferred Stock, Liquidation Value Preferred Stock, Liquidation Value Preferred stock, liquidation value Common Stock, Par or Stated Value Per Share Common stock, par value Unissued common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Treasury Stock, Shares Treasury stock, shares Condensed Consolidated Statements Of Operations [Abstract] Revenue, Net Net sales Cost of Goods and Services Sold Cost of sales Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Operating Expenses Total operating expenses Operating Income (Loss) Operating loss Interest Expense Other Nonoperating Income (Expense) Other income Net Income (Loss) Attributable to Parent Net loss Net loss Net loss Preferred Stock Dividends, Income Statement Impact Preferred stock dividend accretion Preferred stock dividend accretion Income (Loss) Attributable to Parent Net loss applicable to common stockholders Per share basic and diluted income (loss) applicable to common stockholders: Per share basic and diluted loss applicable to common stockholders: Income (Loss) from Continuing Operations, Per Basic and Diluted Share Per share basic and diluted loss applicable to common stockholders Weighted average number of common shares outstanding: Weighted Average Number of Shares Outstanding, Basic and Diluted Basic and diluted Consolidated Statements Of Changes In Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred Stock [Member] Preferred Stock [Member] Common Stock [Member] Common Stock [Member] Treasury Stock [Member] Held In Treasury [Member Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Accumulated Deficit During Development Stage [Member] Accumulated Deficit [Member] Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Shares, Outstanding Balance, shares Balance, shares Common stock issued upon exercise of stock options Common stock issued upon exercise of stock options Common stock issued upon exercise of stock options, shares Common stock issued upon exercise of stock options, shares Stock Issued During Period, Value, Employee Stock Purchase Plan Common stock issued under stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Common stock issued under stock purchase plan, shares Warrants exercised Warrants exercised Warrants exercised, shares Warrants exercised, shares Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock issued, net of cancellations Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock issued, net of cancellations, shares Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock compensation Condensed Consolidated Statements Of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Amortization of Debt Discount (Premium) Amortization of debt discount Share-based Compensations Stock compensation expense Stock compensation Cash received from demutualization of insurance provider Cash received from demutualization of insurance provider Proceeds from demutualization of insurance provider Sale Leaseback Transaction, Current Period Gain Recognized Amortization of gain on sale and leaseback of property Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Other Current Assets Other current assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] INVESTING ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Expenditures for property and equipment Payments for (Proceeds from) Investments Short-term investments Cash received from demutualization of insurance provider for investing activities Proceeds from demutualization of insurance provider for investing activities Payments to Acquire Intangible Assets Purchase of intangible assets Net Cash Provided by (Used in) Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] FINANCING ACTIVITIES: Proceeds from Issuance of Common Stock Proceeds from issuance of common stock Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Supplemental Cash Flow Elements [Abstract] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Interest Paid Cash paid during the period for interest The Company [Abstract] The Company [Abstract] Nature of Operations [Text Block] The Company Basis Of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis Of Presentation Principal Products And Services [Abstract] Principal Products And Services [Abstract] Principal Products And Services Disclosure [Text Block] Principal Products And Services Disclosure [Text Block] Principal Products And Services Inventories Property And Equipment Intangible And Other Assets Inventories Property And Equipment Intangible And Other Assets Inventories Property And Equipment Intangible And Other Assets Disclosure [Text Block] Inventories Property And Equipment Intangible And Other Assets Disclosure [Text Block] Inventories Property And Equipment Intangible And Other Assets Bank Financing [Abstract] Bank Financing Abstract Bank Financing (Text Block) Bank Financing (Text Block) Bank Financing Stockholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Loss per Common Share Applicable to Common Stockholders Applicable To Common Stockholders [Abstract] Schedule of Earnings Per Share [Table] Earnings Per Share [Line Items] Earnings Per Share [Text Block] Loss Per Common Share Applicable to Common Stockholders Stock Compensation Expense And Share-Based Payment Plans [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block][ Stock Compensation Expense And Share-Based Payment Plans Grant Awards [Abstract] Grant Awards [Abstract] Legal Matters and Contingencies [Text Block] Legal Proceedings Schedule of Inventory, Current [Table Text Block] Schedule Of Inventories Schedule Of Intangible And Other Assets [Table Text Block] Schedule Of Intangible And Other Assets [Table Text Block] Schedule Of Intangible And Other Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule Of Expected Amortization Expense Of Intangible And Other Assets Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Schedule Of Reconciliation Of Numerators And Denominators Of Basic And Diluted Loss Per Share Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary Of Stock Option Information Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Summary Of Restricted Shares Outstanding Cash and cash equivalents plus available borrowings under its revolving line-of-credit facility Cash and cash equivalents plus available borrowings under revolving line-of-credit facility Intangible And Other Assets [Table] Intangible And Other Assets [Table] Range [Axis] Range [Member] Range [Domain] Maximum [Member] Maximum [Member] Intangible And Other Assets [Line Items] Intangible And Other Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Estimated useful life of patents, years Amortization of Intangible Assets Amortization expense of intangible and other assets Finite live intangible assets amortization expense remainder of fiscal year Finite live intangible assets amortization expense remainder of fiscal year Asset Impairment Charge Inventory, Raw Materials Raw materials Inventory, Work in Process Work in process Inventory, Finished Goods Finished goods Future Amortization Expense, Year One 2015 Future Amortization Expense, Year Two 2016 Future Amortization Expense, Year Three 2017 Future Amortization Expense, Year Four 2018 Future Amortization Expense, Year Five 2019 Finite-Lived Intangible Assets, Amortization Expense, after Year Five Thereafter Amount of amortization expense expected to be recognized from fiscal year One through after the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life Total, Finite-Lived Intangible Assets Total estimated amortization Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Patents And Other Assets [Member] Patents And Other Assets [Member] Patents And Other Assets [Member] Patents Pending [Member] Patents Pending [Member] Patents Pending [Member] Deferred Financing Costs [Member] Deferred Financing Costs [Member] Deferred Financing Costs [Member] Purchased Technology [Member] Purchased Technology [Member] Purchased Technology [Member] Finite-Lived Intangible Assets, Gross Intangible and other assets, gross Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Finite-Lived Intangible Assets, Net Intangible and other assets, net Debt Instrument, Face Amount Secured loan Debt Instrument, Interest Rate, Stated Percentage Term loan interest Line of Credit Facility, Maximum Amount Outstanding During Period Line of credit facility, maximum amount outstanding during period Line of Credit Facility, Maximum Borrowing Capacity Revolving line of credit, amount Line of credit facility floating rate interest Line of credit facility floating rate interest Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Remaining Borrowing Capacity Amount available for borrowing under revolver Line of credit facility Prime rate interest Line of credit facility Prime rate interest Debt instrument, periodic payment Warrants and Rights Outstanding Warrant to purchase Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Weighted average stock price volatility, percentage Fair value assumption wieghted average volatility rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Average risk-free interest rate, percentage Long-term Debt, Gross Balance of bank term loan Debt Instrument, Unamortized Discount Debt discount Long-term Debt Long-term Debt, Total Long-term Debt, Current Maturities Current portion Schedule of Stock by Class [Table]