Document And Entity Information [Abstract] 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 Entity Filer Category Trading Symbol Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Assets Abstract ASSETS Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Accounts receivable, other Accounts receivable, other Accounts Receivable, Net, Current, Total Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current, Total Assets, Current Total current assets Equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Intangible Assets Net Excluding Goodwill Abstract Other intangible assets: Licenses Acquired product rights Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Accumulated amortization Intangible Assets, Net (Excluding Goodwill) Total other intangible assets Derivative Assets, Noncurrent Derivative asset, warrant (note 7) Derivative Assets, Noncurrent, Total Other assets Other Assets, Noncurrent, Total Assets Total assets Liabilities And Stockholders Equity Abstract LIABILITIES AND STOCKHOLDERS' EQUITY Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities, other Accounts Payable and Accrued Liabilities, Current, Total Deferred revenue, current Deferred Revenue, Current, Total Derivative liabilities (note 6) Derivative liabilities (note 7) Liabilities, Current Total current liabilities Deferred revenue, long-term Deferred Revenue, Noncurrent, Total Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders Equity Abstract Stockholders' equity: Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, $.001 par value; 5,000,000 shares authorized in 2012 and 2011; 0 shares outstanding in 2012 and 2011 Preferred Stock, Value, Issued, Total Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, $.001 par value; 75,000,000 shares authorized; 29,577,146 shares issued; 29,561,655 shares outstanding in 2012 and 2011, respectively Common Stock, Value, Issued, Total AdditionalPaidInCapital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional paid-in capital Treasury Stock, Value Treasury stock, at cost, 15,491 shares, 2012 and 2011 Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock, at cost, 15,491 shares, 2011 and 2010 Treasury stock, at cost, 15,491 shares, 2010 and 2009 Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Accumulated deficit Accumulated deficit Stockholders' Equity Attributable to Parent Balances Balances Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity 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 stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Treasury Stock Shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury stock, shares Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Condensed Consolidated Statements Of Operations [Abstract] Revenues Abstract Revenues: Royalties, other Product royalty revenues Royalties, other Research revenues. Research Revenues Research fees Contract revenue Contract revenue Contract revenue Revenues Total Revenue: Cost of royalties Cost of product royalties Cost of Revenue, Total OperatingExpensesAbstract Expenses: Research And Development Expense Research and development Research and development General and administrative General and Administrative Expense, Total Costs and Expenses, Related Party Related party general and administrative, net Operating Expenses Total Expenses: Loss from operations Income (loss) from operations Interest Income Expense Net Interest income Interest Income (Expense), Net, Total Derivative Gain Loss On Derivative Net Derivative loss Derivative loss Derivative, Gain (Loss) on Derivative, Net, Total Other income, net Other expense, net Other income (expense), net Net income (loss) Net income Net income (loss) Net income (loss) Earnings Per Share, Basic [Abstract] Basic: Weighted Average Number of Shares Outstanding, Basic Weighted average common stock shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Basic earnings per share: Basic earnings per share Basic earnings per share: Earnings Per Share, Diluted [Abstract] Diluted: Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average common stock shares outstanding Weighted Average Number of Shares Outstanding, Diluted, Total Diluted earnings per share: Diluted earnings per share Diluted earnings per share: Condensed Consolidated Statement Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Accumulated Deficit [Member] Treasury Stock [Member] Treasury Stock [Member] Shares, Issued Balances, (in shares) Balances, (in shares) Stock-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total Condensed Consolidated Statements Of Cash Flows [Abstract] Operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Abstract Adjustments to reconcile net income (loss) to net cash flows from operating activities: Depreciation and amortization Depreciation and amortization Depreciation and amortization Share-based Compensation Stock-based compensation expense Share-based Compensation, Total Increase Decrease In Operating Capital Abstract Changes in assets and liabilities: Accounts receivable Accounts receivable Prepaid expenses and other assets Prepaid expenses and other assets Prepaid expenses and other assets Accounts payable and accrued liabilities Accounts payable and accrued expenses Accounts payable and accrued liabilities Deferred revenue Deferred revenue Net Cash Provided by (Used in) Operating Activities Net cash flows from operating activities Net Cash Provided By Used In Investing Activities Abstract Investing activities: Purchase of equipment Purchase of equipment Payments to Acquire Property, Plant, and Equipment, Total Purchase of intangible assets Purchase of intangible assets Net Cash Provided by (Used in) Investing Activities Net cash flows from investing activities Net Cash Provided By Used In Financing Activities Abstract Financing activities: Proceeds from issuance of common stock Proceeds from issuance of common stock Proceeds from exercise of stock options Change in amounts due to related parties Change in amounts due to related parties Increase (Decrease) in Due to Related Parties, Total Net Cash Provided by (Used in) Financing Activities Net cash flows from financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Basis Of Presentation [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure Text Bloc Basis Of Presentation Liquidity And Management's Plans [Abstract] Liquidity Disclosure [Policy Text Block] Liquidity And Management's Plans Meda license development and supply agreements [abstract]. Meda License, Development And Supply Agreements [Abstract] Meda license development and supply agreements. License Development And Supply Agreements [Text Block] Meda License, Development And Supply Agreements Endo License and Development Agreement [Abstract] Endo License and Development Agreement [Abstract] License and development agreement. License Agreement Disclosure [Text Block] Endo License and Development Agreement Other License Agreements And Acquired Product Rights [Abstract] Intangible Assets Disclosure Text Block Other License Agreements And Acquired Product Rights Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Derivative Financial Instruments [Abstract] Schedule Of Derivative Instruments Text Block Derivative Financial Instruments Stockholders' Equity [Abstract] Stockholders' Equity Stockholders' Equity Earnings Per Common Share [Abstract] Earnings Per Share Text Block Earnings Per Common Share Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies