Basis of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Effective Income Tax Rate, Continuing Operations Anticipated effective income tax rate fiscal year 2014 Commitments and Contingencies [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Major Class Name [Domain] Patent Rights Knowhow And License Agreements [Member] Patent Rights, Knowhow and License Agreements. Patent Rights Know-how and License Agreements [Member] Percentage Of Royalty Rate Payable On Net Sales Percentage of Royalty Rate Payable on Net Sales Percentage of royalty payment on net sales Schedule of Finite-Lived Intangible Assets [Table] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Accounts receivable, net of allowance for doubtful accounts of $71,377 and $52,598, respectively Accounts Receivable, Net, Current Accrued vacation Accrued Vacation, Current Additional paid-in capital Additional Paid in Capital Asset Retirement Obligations, Noncurrent Asset retirement obligation Assets Total assets Assets [Abstract] ASSETS Assets, Current Total current assets Assets, Current [Abstract] Current assets: Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Class of Stock [Domain] Commitments and contingencies (Note 6) Commitments and Contingencies Common stock, $.001 par value; 192,998,329 & 193,000,000 shares authorized; 54,181,444 and 34,618,517 shares issued and outstanding Common Stock, Value, Issued Warrant derivative liability Derivative Liabilities, Noncurrent Accrued payroll and related taxes Employee-related Liabilities, Current Inventory Inventory, Net Inventory, non-current Inventory, Noncurrent Liabilities Total liabilities Liabilities and Equity Total liabilities and shareholders' equity Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities, Current Total current liabilities Liabilities, Current [Abstract] Current liabilities: Other Accrued Liabilities, Current Accrued protocol expense Other Assets, Noncurrent Other assets, net of accumulated amortization Other Liabilities, Current Accrued radioactive waste disposal Preferred Stock, Value, Issued Preferred stock, $.001 par value; 7,001,671 shares authorized: Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Property, Plant and Equipment, Net Fixed assets, net of accumulated depreciation and amortization Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Retained Earnings (Accumulated Deficit) Accumulated deficit Series A Preferred Stock [Member] Series B Preferred Stock [Member] Series C Preferred Stock [Member] Series D Preferred Stock [Member] Class of Stock [Axis] Statement [Line Items] Consolidated Balance Sheets [Abstract] Statement [Table] Stockholders' Equity Attributable to Parent Total shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity: Treasury Stock, Value Treasury stock, at cost 13,200 shares Accounts receivable, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Common Stock, Par or Stated Value Per Share Common stock, par value per share Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common stock, shares outstanding Common Stock, Shares, Outstanding Preferred Stock, Par or Stated Value Per Share Preferred stock, par or stated value per share Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Treasury Stock, Shares Treasury stock, shares Amortization of deferred financing costs and other assets Amortization Adjustments to reconcile net loss to net cash used by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Asset Retirement Obligation, Accretion Expense Accretion of asset retirement obligation Cash and cash equivalents, beginning of period CASH AND CASH EQUIVALENTS, END OF PERIOD Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Conversion of Stock, Amount Converted Depreciation and amortization of fixed assets Depreciation, Depletion and Amortization, Nonproduction Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Receivable Accounts receivable, gross Accrued payroll and related taxes Increase (Decrease) in Employee Related Liabilities Increase (Decrease) in Inventories Inventory Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accrued protocol expense Increase (Decrease) in Other Accrued Liabilities Accrued radioactive waste disposal Increase (Decrease) in Other Current Liabilities Accrued vacation Increase (Decrease) in Other Employee Related Liabilities Increase (Decrease) in Other Receivables Other receivables Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Change in restricted cash Increase (Decrease) in Restricted Cash Net Cash Provided by (Used in) Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Net Cash Provided by (Used in) Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used by investing activities Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used by operating activities Net Income (Loss) Attributable to Parent Net loss Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities: Payments of Ordinary Dividends, Preferred Stock and Preference Stock Preferred dividends paid Payments to Acquire Intangible Assets Additions to licenses and other assets Payments to Acquire Property, Plant, and Equipment Purchases of fixed assets Proceeds from Issuance of Common Stock Proceeds from sales of common stock, pursuant to registered direct offering, net Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from Issuance of Private Placement Proceeds from sales of common stock, pursuant to underwritten offering, net Proceeds from Stock Options Exercised Proceeds from sales of common stock, pursuant to exercise of options Proceeds from Warrant Exercises Proceeds from sales of common stock, pursuant to exercise of warrants, net Provision For Reduction Of Doubtful Accounts Provision for (Reduction of) Doubtful Accounts. Allowance for doubtful accounts Repayments of Notes Payable Principal payments on notes payable Share-based Compensation Share-based compensation Consolidated Statements of Cash Flows [Abstract] Stock Issued Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Unrealized Gain (Loss) on Derivatives Change in fair value of warrant derivative liability Proceeds from sales of preferred stock, pursuant to underwritten offering, net Reclassification of convertible preferred stock to common stock upon conversion Reclassification of derivative warrant liability to equity upon exercise Cost of product sales Cost of Goods Sold Basic and diluted loss per share Earnings Per Share, Basic and Diluted General and administrative expenses General and Administrative Expense Gross profit / (loss) Gross Profit Consolidated Statements of Operations [Abstract] Financing and interest expense Interest and Debt Expense Interest income Investment Income, Interest Net loss Net Income (Loss) Available to Common Stockholders, Basic Net loss applicable to common shareholders Nonoperating Income (Expense) Non-operating income / (expense), net Nonoperating Income (Expense) [Abstract] Non-operating income (expense): Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses: Operating Income (Loss) Operating loss Preferred Stock Dividends, Income Statement Impact Preferred stock dividends Preferred Stock Redemption Premium Preferred stock deemed dividends (Note 9) Research and Development Expense Research and development expenses Sales Revenue, Goods, Net Product sales Selling and Marketing Expense Sales and marketing expenses Change in fair value of warrant derivative liability Weighted Average Number of Shares Outstanding, Basic and Diluted Basic and diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares used in computing net loss per share: Amendment Flag Current Fiscal Year End Date Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Filer Category Entity Registrant Name Trading Symbol Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Level 1 [Member] Accounts receivable, net Accounts Receivable, Fair Value Disclosure Assets, Fair Value Disclosure [Abstract] Assets: Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Warrant liability Derivative Liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Measurement Frequency [Axis] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Recurring [Member] Liabilities, Fair Value Disclosure [Abstract] Liabilities: Restricted Cash and Cash Equivalents Restricted cash Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financial Assets and Liabilities Accounted for at Fair Value on Recurring Basis and Fair Value Calculation Input Hierarchy Level Finished goods Inventory, Finished Goods, Gross Total inventory Raw materials Inventory, Raw Materials, Gross Work in process Inventory, Work in Process, Gross Inventory [Abstract] Inventory Disclosure [Text Block] Inventory Schedule of Inventory, Current [Table Text Block] Schedule of Components of Inventory Loss per Share [Abstract] Earnings Per Share [Text Block] Loss per Share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities [Axis] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Warrant [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Loss per Share New Accounting Pronouncements Description of New Accounting Pronouncements Not yet Adopted [Text Block] New Accounting Pronouncements [Abstract] Preferred dividends declared, date Dividends Payable, Date Declared Dividends Payable [Line Items] Dividends Payable [Table] Dividends, Preferred Stock Dividends declared Preferred dividends paid Preferred Stock, Amount of Preferred Dividends in Arrears Accrued but undeclared dividends Series B Preferred Stock [Member] Preferred Dividends [Abstract] Preferred Stock [Text Block] Preferred Dividends Related Party Transaction [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transaction Affiliated Entity [Member] Cost of Property Repairs and Maintenance Maintenance costs Related Party [Domain] Related Party Transaction [Line Items] Related Party [Axis] Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Software implementation costs Schedule of Related Party Transactions, by Related Party [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Share-Based Compensation Expense Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block] Schedule of Stock Option within Share-based Compensation Plans Share-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Allocated Share-based Compensation Expense Share-based compensation Cost of Sales [Member] Cost of Product Sales [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Unrecognized compensation expense related to stock-based options and awards, weighted-average recognition period Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Unrecognized compensation expense related to stock-based options and awards Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options General and Administrative Expense [Member] General and Administration Expenses [Member] Income Statement Location [Axis] Income Statement Location [Domain] Research and Development Expense [Member] Research and Development Expenses [Member] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Selling and Marketing Expense [Member] Sales and Marketing Expenses [Member] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Stock options, maximum term Income Statement Location [Axis] Income Statement Location [Domain] Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued Fair value of stock options granted Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Discount rate Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested and exercisable at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Vested and exercisable at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Aggregate intrinsic value of option exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Stock options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Outstanding at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Vested and exercisable at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Vested and exercisable at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Vested and expected to vest at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Vested and expected to vest at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Vested and expected to vest at March 31, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested and expected to vest at March 31, 2014 Share Based Compensation Arrangement By Share Based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Optons Outstanding Aggregate Intrinsic Value [Abstract] Average Intrinsic Value Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Stock options issued, exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options exercised Exercise price Shareholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Shareholders' Equity Class of Stock [Line Items] Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares covered by each warrant Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of shares number of shares covered by warrant Class Of Warrant Or Right Term Class Of Warrant Or Right, Term. 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Placement agent fees Payments Of Stock Issuance Costs Legal And Accounting Expense Payments Of Stock Issuance Costs Listing Expense Payments Of Stock Issuance Costs Other Expenses The cash outflow for other expense incurred directly with the issuance of an equity security. Other expense Beneficial conversion feature Preferred Unit Warrants [Member] Preferred Unit Warrants [Member] Proceeds from Issuance or Sale of Equity Net proceeds Schedule of Stock by Class [Table] Shares Issued, Price Per Share Stock issued, price per share Stock Issued During Period, Shares, New Issues Sale of common stock The cash outflow for legal and accounting expense expense incurred directly with the issuance of an equity security. Legal and accounting expense Class Of Warrant Or Right Corrected Class Of Warrant Or Right, Corrected. Warrants corrected Balance, beginning of period Balance, end of period Common Stock Purchaser Warrants [Member] Issuance Of Common Stock In Connection With Warrant Exercises Net Of Issuance Costs Shares Issuance of Common Stock in Connection with Warrant Exercises, Net of Issuance Costs, Shares. Warrants exercised Over Allotment Warrants [Member] Common Stock Purchaser Warrants [Member] Change in fair value of warrant derivative liability Over Allotment Warrants [Member] Warrants And Rights Corrected Warrants And Rights, Corrected. Warrants corrected Warrants And Rights Exercised Warrants And Rights, Exercised. Warrants exercised Warrants and Rights Outstanding Warrants Value [Abstract] Value of warrants issued: Balance, end of period Balance, beginning of period Schedule of Fair Value of Warrants Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block] Schedule Of Proceeds From Common Stock Offering [Table Text Block] Tabular disclosure of proceeds from common stock offering. Schedule of Proceeds from Common Stock Offering Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Schedule of Warrants Activity Class C Warrants [Member] Class C Warrants [Member] Class Of Warrant Or Right Corrected In Period Exercise Price Of Warrants Or Rights Class Of Warrant Or Right, Corrected In Period, Exercise Price Of Warrants Or Rights. Warrants corrected Class Of Warrant Or Right Exercised In Period Exercise Price Of Warrants Or Rights Class Of Warrant Or Right, Exercised In Period, Exercise Price Of Warrants Or Rights. Warrants exercised Beginning balance outstanding Ending balance outstanding Class Of Warrant Or Right Issued Class Of Warrant Or Right, Issued. Warrants issued Class Of Warrant Or Right Issued In Period Exercise Price Of Warrants Or Rights Warrants issued Class of Warrant or Right Issued In Period, Weighted Average Exercise Price of Warrants or Rights Class Of Warrant Or Right Outstanding [Abstract] Class Of Warrant Or Right Weighted Average Exercise Price [Abstract] Weighted average exercise price Warrants Subsequent Event [Abstract] Subsequent Events [Text Block] Subsequent Event Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Exercise price Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right [Line Items] Quantity Class of Warrant or Right, Outstanding Class of Warrant or Right [Table] Range of Exercise Price Five [Member] Range of Exercise Price Five [Member] Range of Exercise Price Four [Member] Range of Exercise Price Four [Member] Range of Exercise Price One [Member] Range of Exercise Price One [Member] Range of Exercise Price Seven [Member] Range of Exercise Price Seven [Member] Range of Exercise Price Six [Member] Range of Exercise Price Six [Member] Range of Exercise Price Three [Member] Range of Exercise Price Two [Member] Warrants Expiration Date Warrants Expiration, Date. Expiration date Range of Exercise Price Three [Member] Range of Exercise Price Two [Member] Subsequent Event [Line Items] Subsequent Event [Member] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Exercise price Warrants issued, exercise price Warrants exercised Liability For Common Stock Issuable Liability For Common Stock Issuable. Liability for shares of common stock Proceeds from exercise of warrants Warrants Issued in 2011 [Member] Warrants Issued in 2011 [Member] Warrants Issued in 2011, Two [Member] Warrants Issued in 2011, Two [Member] Warrants Issued in 2013 [Member] Warrants Issued in 2013 [Member] Warrants Issued in November 2010 [Member] Warrants Issued in November 2010 [Member]