Accounts Payable And Accrued Liabilities Disclosure [Text Block] Accrued Expenses Accounts Payable Current Accounts payable Accretion on redeemable convertible preferred stock. Accretion Of Redeemable Convertible Preferred Stock Accretion of Series B redeemable convertible preferred stock Accrued Liabilities Current Accrued expenses Total Accrued Professional Fees Current Legal and accounting fees Accrued Severance, Current Accrued Severance Current Severance agreement (Note 9) Accumulated Deficit During Development Stage [Member] Deficit Accumulated During the Development Stage Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-In Capital Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock-based compensation expense 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: Amendment Flag Amendment Flag Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Dilutive shares not included in calculation Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Award Type [Axis] Award Type [Axis] Basis Of Accounting Basis of Presentation Basis of Presentation [Line Items] Basis Of Presentation [Line Items] Basis of Presentation [Line Items] Basis of Presentation [Table] Basis Of Presentation [Table] Basis of Presentation [Table] 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 Unrestricted cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease NET INCREASE IN CASH AND CASH EQUIVALENTS Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] NONCASH FINANCING ACTIVITIES: Cashless Exercise of Stock Options and Warrants Cashless Exercise Of Stock Options And Warrants Cashless exercise of common stock options and warrants Change in fair value of warrant Change In Fair Value Of Warrant Change in fair value of warrant liabilities Change in fair value of warrant liabilities Class Of Stock [Domain] Class of Stock [Domain] Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Exercise price of warrant Class Of Warrant Or Right Issuable With Each New Share Of Common Stock Class Of Warrant Or Right Issuable With Each New Share Of Common Stock Warrant to purchase common stock Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Warrants to purchase shares of common stock Collaborative Arrangement Disclosure [Text Block] Agreement with PROCAPS S.A. Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Commitments And Contingencies Commitments and contingencies (Note 9) Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and Contingencies [Line Items] Commitments and Contingencies [Table] Commitments And Contingencies [Table] Commitments and Contingencies [Table] Common Stock [Member] Common Stock Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common share issued Common stock, issued Common Stock Shares Outstanding Common stock, outstanding Common Stock Value Common stock, $0.001 par value; 50,000,000 shares authorized at June 30, 2012 and December 31, 2011, 15,819,346 and 12,919,538 issued and outstanding at June 30, 2012 and December 31, 2011, respectively Contingently Issuable Shares [Member] Contingently Issuable Shares Conversion Of Accrued Liabilities To Common Stock Conversion Of Accrued Liabilities To Common Stock Conversion of accrued expenses into common stock Conversion Of Stock Shares Converted 1 Series C prefer stock converted to common stock Conversion Of Stock Shares Issued 1 Conversion of share, common stock issued Current Fiscal Year End Date Current Fiscal Year End Date Debt Conversion Converted Instrument Amount 1 Conversion of extension costs related to convertible notes into common stock Debt Conversion Original Debt Amount 1 Conversion and redemption of convertible notes and accrued interest into common stock Deferred Revenue Current Deferred revenue Depreciation And Amortization Depreciation and amortization Development Stage Enterprise Deficit Accumulated During Development Stage Deficit accumulated during the development stage Disclosure - Accrued Expenses [Abstract] Disclosure Accrued Expenses [Abstract] Disclosure - Accrued Expenses [Abstract] Disclosure - Agreement with PROCAPS S.A. - Additional Information [Abstract] Disclosure Agreement With P R O C A P S S A Additional Information [Abstract] Disclosure - Agreement with PROCAPS S.A. - Additional Information [Abstract] Disclosure - Basis of Presentation - Additional Information [Abstract] Disclosure Basis Of Presentation Additional Information [Abstract] Disclosure - Basis of Presentation - Additional Information [Abstract] Disclosure - Commitments and Contingencies - Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure - Commitments and Contingencies - Additional Information [Abstract] Disclosure - Common Stock and Warrant Offering and Reverse Split - Additional Information [Abstract] Disclosure Common Stock And Warrant Offering And Reverse Split Additional Information [Abstract] Disclosure - Common Stock and Warrant Offering and Reverse Split - Additional Information [Abstract] Disclosure - Common Stock Warrants - Additional Information [Abstract] Disclosure Common Stock Warrants Additional Information [Abstract] Disclosure - Common Stock Warrants - Additional Information [Abstract] Disclosure - Dilutive Shares Which Could Exist Pursuant to Exercise of Outstanding Stock Instruments and Which were not Included in Calculation [Abstract] Disclosure Dilutive Shares Which Could Exist Pursuant To Exercise Of Outstanding Stock Instruments And Which Were Not Included In Calculation [Abstract] Disclosure - Dilutive Shares Which Could Exist Pursuant to Exercise of Outstanding Stock Instruments and Which were not Included in Calculation [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock-Based Compensation Disclosure - Stock-Based Compensation - Additional Information [Abstract] Disclosure Stock Based Compensation Additional Information [Abstract] Disclosure - Stock-Based Compensation - Additional Information [Abstract] Disclosure - Stock-Based Compensation Expense Related to Common Stock Options, Restricted Common Stock and Common Stock Warrants [Abstract] Disclosure Stock Based Compensation Expense Related To Common Stock Options Restricted Common Stock And Common Stock Warrants [Abstract] Disclosure - Stock-Based Compensation Expense Related to Common Stock Options, Restricted Common Stock and Common Stock Warrants [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] Disclosure Summary Of Stock Option Activity [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] Disclosure - Summary of Stock Warrant Activity [Abstract] Disclosure Summary Of Stock Warrant Activity [Abstract] Disclosure - Summary of Stock Warrant Activity [Abstract] Disclosure - Weighted Average Assumptions Used to Determine Fair Value of Options Granted [Abstract] Disclosure Weighted Average Assumptions Used To Determine Fair Value Of Options Granted [Abstract] Disclosure - Weighted Average Assumptions Used to Determine Fair Value of Options Granted [Abstract] Dividend Equivalent Rights Dividend Equivalent Rights Dividend rights issued Dividend Payment 4th [Member] Dividend Payment Four [Member] Series C Preferred Stock Dividend Payment 1st [Member] Dividend Payment One [Member] Series A Preferred Stock Dividend Payment 3rd [Member] Dividend Payment Three [Member] Series B Two Preferred Stock Dividend Payment 2nd [Member] Dividend Payment Two [Member] Series B One Preferred Stock Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Dividends Payable Current Accrued dividends payable Dividends Preferred Stock Convertible preferred stock dividend Document - Document and Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Line Items] Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share Basic And Diluted Net loss per common share - basic and diluted Earnings Per Share [Text Block] Loss Per Share Employee Related Liabilities Current Accrued compensation Severance Payment Due to Dr. Platt Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Unrecognized compensation cost Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1 Unrecognized compensation cost, recognition period Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity Component [Domain] Equity Component [Domain] Equity Method Investments Equity Investment Expiration Period of Agreements Expiration Period Of Agreements Option to purchase additional units to cover over-allotments Fair Value Assumptions Expected Term Warrant, expected life Fair Value Assumptions Risk Free Interest Rate Warrant, risk free interest rate Fair Value Assumptions Weighted Average Volatility Rate Warrant, volatility rate Fair Value Disclosures [Text Block] Fair Value of Financial Instruments General And Administrative Expense General and administrative General And Administrative Expense [Member] General and Administrative Gross Proceeds from Issuance of Common Stock and Warrants Gross Proceeds From Issuance Of Common Stock And Warrants Gross proceeds from issuance of stock and warrants Impairment Of Intangible Assets Excluding Goodwill Write off of intangible assets Income Statement [Abstract] Income Statement [Abstract] Increase Decrease In Accounts Payable And Accrued Liabilities Accounts payable and accrued expenses Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease In Other Noncurrent Liabilities Other long-term liabilities Increase Decrease In Other Receivables Grant receivable Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other current assets Increase Decrease In Restricted Cash Change in restricted cash Intangible Assets Net Excluding Goodwill Intangible assets, net Interest Expense Interest expense Interest Paid SUPPLEMENTAL DISCLOSURE - Cash paid for interest Investment Income Interest Interest income Issuance Of Common Stock And Warrants, Shares Issuance Of Common Stock And Warrants Shares Issuance of common stock and warrants Issuance of common stock and warrants, net of issuance costs of $1,597,000 (in shares) Value of issuance of common stock and warrants. Issuance Of Common Stock And Warrants Value Issuance of common stock and warrants, net of issuance costs of $1,597,000 Issuance of equity warrants in connection with equity offerings Issuance Of Equity Warrants In Connection With Equity Offerings Issuance of equity warrants in connection with equity offerings Issuance Of Warrants Price Per Share Issuance Of Warrants Price Per Share Closing price of warrant issued Issuance of warrants to induce conversion of notes payable Issuance Of Warrants To Induce Conversion Of Notes Payable Issuance of warrants to induce conversion of notes payable Issuance Of Warrants, Value Issuance Of Warrants Value Value of warrants Legal Entity [Axis] Legal Entity [Axis] Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit) Liabilities And Stockholders Equity [Abstract] LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Maximum [Member] Maximum Minimum Company Market Capitalization Minimum Company Market Capitalization Market Capitalization Minimum [Member] Minimum Monte Carlo Option Pricing Model [Member] Monte Carlo Option Pricing Model [Member] Monte Carlo Option Pricing Model Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Net Cash Provided By Used In Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided By Used In Operating Activities Net cash used in operating activities Net cash used in operating activities Net Cash Provided By Used In Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Income Loss Net loss Net loss Net Income Loss Available To Common Stockholders Basic Net losses applicable to common stockholders Net loss applicable to common stockholders Nonoperating Income Expense Total other income (expense) Nonoperating Income Expense [Abstract] Other income (expense): Number of Warrants Exercised Number Of Warrants Exercised Number of warrant exercised Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses: Operating Income Loss Total operating loss Other Accrued Liabilities Current Other Other Nonoperating Income Other income Paid In Kind Interest Non-cash interest expense Payments To Acquire Productive Assets Increase in patents costs and other assets Payments To Acquire Property Plant And Equipment Purchases of property and equipment Preferred Stock Accretion Of Redemption Discount Preferred stock accretion Preferred Stock Dividend Rate Percentage Rate of dividend Preferred Stock Dividends Income Statement Impact Preferred stock dividends Preferred Stock Dividends Shares Convertible preferred stock dividend (in shares) Preferred Stock Shares Authorized Series A 12% convertible preferred stock, shares authorized Preferred Stock Shares Issued Series A 12% convertible preferred stock, issued Preferred Stock Value Series A 12% convertible preferred stock; 5,000,000 shares authorized, 1,562,500 issued and outstanding at June 30, 2012 and December 31, 2011 Preferred Units Outstanding Series A 12% convertible preferred stock, outstanding Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Proceeds From Convertible Debt Net proceeds from issuance of convertible debt instruments Proceeds From Issuance Or Sale Of Equity Net proceeds from issuance of stock and warrants Proceeds From Payments For Other Financing Activities Proceeds from shareholder advances The cash inflow associated with the amount received from holders exercising their stock options and warrants. Proceeds From Stock Option And Warrant Exercises Proceeds from exercise of common stock warrants and options Property Plant And Equipment Net Property and equipment, net Public offering, net price per share Public Offering Net Price Per Share Public Offering price Range [Axis] Range [Axis] Range [Member] Range [Domain] Repayments Of Convertible Debt Repayment of convertible debt instruments Research And Development Expense Research and development Research And Development Expense [Member] Research and Development Restricted Cash And Cash Equivalents Noncurrent Restricted cash Restricted Stock [Member] Restricted Stock Reversal of Share-based Compensation Reversal Of Sharebased Compensation Reversal of previously recognized expense Royalty Revenue Royalty Revenue Scenario 1 [Member] Scenario One [Member] Scenario 1 Scenario 2 [Member] Scenario Two [Member] Scenario 2 Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Schedule of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Line Items] Schedule of Accrued Liabilities [Line Items] Schedule of Accrued Liabilities [Table] Schedule Of Accrued Liabilities [Table] Schedule of Accrued Liabilities [Table] Schedule Of Accrued Liabilities Table [Text Block] Accrued Expenses Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Dilutive Shares Which Could Exist Pursuant to Exercise of Outstanding Stock Instruments and Which Were Not Included in Calculation Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs By Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Stock-Based Compensation Expense Related to Common Stock Options, Restricted Common Stock and Common Stock Warrants Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Stock Option Activity Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Weighted Average Assumptions Used to Determine Fair Value of Options Granted Schedule Of Stockholders Equity Note Warrants Or Rights [Text Block] Summary of Stock Warrant Activity Series A Preferred Stock [Member] Series A 12% convertible preferred stock Series B-1 Preferred Stock Series B One Preferred Stock [Member] Series B-1 12% redeemable convertible preferred stock Series B2 Preferred Stock Series B Two Preferred Stock [Member] Series B-2 12% redeemable convertible preferred stock Series C Preferred Stock [Member] Series C super dividend convertible preferred stock Severance Payment Period Severance Payment Period Severance payment period