Entity Central Index Key Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Trading Symbol Trading Symbol Document Fiscal Period Focus Document Fiscal Period Focus Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Statement Of Financial Position [Abstract] Assets Assets [Abstract] Current assets Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts receivables, net Accounts Receivable Net Current Inventories Inventory Net Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property, plant and equipment, net Property Plant And Equipment Net Total assets Assets Liabilities and Stockholders' Equity Liabilities And Stockholders Equity [Abstract] Current liabilities Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses Accrued Liabilities Current Warrant liability Derivative Liabilities Current Total current liabilities Liabilities Current Other non-current liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments And Contingencies Stockholders' equity Stockholders Equity [Abstract] Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding at December 31, 2015 and December 31, 2014, respectively Preferred Stock Value Common stock, $.01 par value; 170,000,000 shares authorized; 22,341,574 and 9,740,394 shares issued and 21,763,817 and 9,708,841 shares outstanding at December 31, 2015 and December 31, 2014, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Accumulated deficit Retained Earnings Accumulated Deficit Treasury stock, at cost; 1,757 shares at December 31, 2015 and December 31, 2014, respectively Treasury Stock Value Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Total stockholders' equity Stockholders Equity Total liabilities and stockholders' equity Liabilities And Stockholders Equity Preferred stock, par value (in dollars per share) Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock Shares Outstanding Common stock, par value (in dollars per share) Common Stock Par Or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock Shares Authorized Common stock, shares issued (in shares) Common Stock Shares Issued Common stock, shares outstanding (in shares) Common Stock Shares Outstanding Treasury stock, at cost (in shares) Treasury Stock Shares Income Statement [Abstract] Product revenue Sales Revenue Goods Net Other revenues Other Sales Revenue Net Total revenue Sales Revenue Net Cost of goods sold Cost Of Revenue Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative expenses Selling General And Administrative Expense Research and development costs Research And Development Expense Total operating expenses Operating Expenses Operating loss Operating Income Loss Derivative instrument income Derivative Gain Loss On Derivative Net Interest income Investment Income Interest Other (expense) income and interest expense Other Nonoperating Income Expense Net loss Net Income Loss Common share data: Earnings Per Share Basic And Diluted [Abstract] Basic loss per share Earnings Per Share Basic Diluted loss per share Earnings Per Share Diluted Weighted average number of basic shares outstanding Weighted Average Number Of Shares Outstanding Basic Weighted average number of diluted shares outstanding Weighted Average Number Of Diluted Shares Outstanding Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Foreign currency translation adjustments Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Comprehensive Loss Comprehensive Income Net Of Tax Reverse stock split ratio description Stockholders Equity Reverse Stock Split Value of stock issued pursuant to the exercise of warrants during the period. Number of shares of stock issued during the period pursuant to the exercise of stock options. The fair value of warrants exercised during the period. Element represents the fair value of warrants issued classified as liability during the period. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Statement Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Issued [Member] Common Stock [Member] In Treasury [Member] Treasury Stock [Member] Additional Paid-in Capital [Member] Additional Paid In Capital [Member] Accumulated deficit [Member] Retained Earnings [Member] Accumulated Other Comprehensive (loss) income [Member] Accumulated Other Comprehensive Income [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase Decrease In Stockholders Equity Roll Forward Balance Balance (in shares) Shares Outstanding Compensation expense for issuance of stock options Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition Compensation expense for issuance of restricted stock Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures Compensation expense for issuance of restricted stock (in shares) Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Sale of common stock, net of expenses Stock Issued During Period Value New Issues Sale of common stock, net of expenses (in shares) Stock Issued During Period Shares New Issues Exercise of warrants Stock Issued During Period Value Exercise Of Warrants Exercise of warrants (in shares) Stock Issued During Period Shares Exercise Of Warrants Fair value of warrants exercised Fair Value Of Warrants Exercised Fair value of warrants issued classified as liability Fair Value Of Warrants Issued Classified As Liability Net loss Foreign currency translation Balance Balance (in shares) Common stock issued, par value Common Stock No Par Value Interest income earned on money market and operating accounts. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock option compensation expense Stock Option Plan Expense Restricted stock compensation expense Restricted Stock Expense Depreciation expense Depreciation Provision or inventory obsolescence Increase Decrease In Retail Related Inventories Loss on disposal of equipment Gain Loss On Disposition Of Assets Warrant liability fair value adjustment Fair Value Adjustment Of Warrants Non-cash interest income Interest Income Earned On Money Market And Operating Accounts Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] (Increase) decrease in prepaid expenses and other assets Increase Decrease In Prepaid Deferred Expense And Other Assets (Increase) decrease in accounts receivable Increase Decrease In Accounts Receivable (Increase) decrease in inventories Increase Decrease In Inventories (Decrease) increase in accounts payable and accrued expenses Increase Decrease In Accounts Payable And Accrued Liabilities Increase (decrease) in other non-current liabilities Increase Decrease In Other Noncurrent Liabilities Net cash used in operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Cash flows from investing activities: Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchase of property, plant and equipment Payments To Acquire Property Plant And Equipment Proceeds from sales of property, plant and equipment Proceeds From Sale Of Property Plant And Equipment Net cash provided by (used in) investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Cash flows from financing activities: Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Net proceeds from sale of stock and exercise of warrants Proceeds From Issuance Or Sale Of Equity Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Foreign currency effects on cash and cash equivalents Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents: Cash And Cash Equivalents At Carrying Value [Abstract] Beginning of period End of period Supplemental non-cash activities: Noncash Investing And Financing Items [Abstract] Fair value of warrants issued Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues Fair value of warrants exercised Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements Description of business and liquidity. Description of business and liquidity. Description Of Business And Liquidity [Abstract] Description of Business and Liquidity Description Of Business And Liquidity [Text Block] Basis Of Condensed Consolidated Financial Statement Presentation [Abstract] Basis of Consolidated Financial Statement Presentation Basis Of Accounting Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Prepaid expenses and other current assets. Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] Prepaid Expenses and Other Current Assets Prepaid Expenses And Other Current Assets [Text Block] Property Plant And Equipment [Abstract] Property, Plant, and Equipment Property Plant And Equipment Disclosure [Text Block] Payables And Accruals [Abstract] Current Accrued Expenses Accounts Payable And Accrued Liabilities Disclosure [Text Block] Restructuring And Related Activities [Abstract] Restructuring Expenses Restructuring And Related Activities Disclosure [Text Block] Fair Value Disclosures [Abstract] Assets and Liabilities Measured at Fair Value Fair Value Disclosures [Text Block] Stockholders Equity Note [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Debt Disclosure [Abstract] Loan and Security Agreement Debt Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments Commitments Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Use of Estimates Use Of Estimates Cash Equivalents and Concentrations of Credit Risk Cash And Cash Equivalents Policy [Text Block] Accounts Receivable Trade And Other Accounts Receivable Policy Inventories Inventory Policy [Text Block] Property, Plant and Equipment Property Plant And Equipment Policy [Text Block] Derivative Instrument Liability Derivatives Policy [Text Block] Fair Value Measurements Fair Value Measurement Policy Policy [Text Block] Revenue Recognition Revenue Recognition Policy [Text Block] Selling, General and Administrative Selling General And Administrative Expenses Policy [Text Block] Research and Development Research And Development Expense Policy Stock Based Compensation Share Based Compensation Option And Incentive Plans Policy Income Taxes Income Tax Policy [Text Block] Net Loss per Common Share Earnings Per Share Policy [Text Block] Segment Information Segment Reporting Policy Policy [Text Block] Foreign Currency and Currency Translation Foreign Currency Transactions And Translations Policy [Text Block] Recently Adopted Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Calculation of net loss and number of shares used to compute basic and diluted earnings per share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Shares excluded from the computation of diluted EPS Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Schedule of inventories Schedule Of Inventory Current Table [Text Block] Prepaid Expenses and Other Current Assets Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Text Block] Components of property, plant and equipment Property Plant And Equipment [Text Block] Schedule of current accrued expenses Schedule Of Accrued Liabilities Table [Text Block] Schedule of restructuring and related costs Schedule Of Restructuring And Related Costs [Text Block] Schedule of fair value of the warrants Schedule Of Assumptions For Fair Value As Of Balance Sheet Date Of Interests Continued To Be Held By Transferor Servicing Assets Or Servicing Liabilities [Text Block] Assets and liabilities measured at fair value on a recurring basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Fair value measurements using significant unobservable inputs Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Stock option activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Assumptions used to determine estimated fair value of stock options granted Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of non-vested options Schedule Of Nonvested Share Activity Table [Text Block] Summary of restricted stock activity Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Summary of warrant activity Schedule Of Stockholders Equity Note Warrants Or Rights [Text Block] Schedule of future minimum lease payments, net of receipts due under terms of subleases under all operating leases Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block] Schedule of Income Before Income Taxes Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block] Income tax reconciliation Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Significant components of deferred tax assets Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] Selected quarterly financial data Schedule Of Quarterly Financial Information Table [Text Block] Net cash used in operating activities Accumulated deficit