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Additional Common Stock Shares Authorized Additional shared authorized for issuance Additional Paid In Capital Additional paid-in capital Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Aggregate Exercise Price Of Warrants Exercised Aggregate Exercise Price Of Warrants Exercised Proceeds from aggregate exercise price Agreement Expiry Date Agreement Expiry Date Supply agreement expire date Allocated Share Based Compensation Expense Total stock-based compensation expense Amendment Flag Amendment Flag Amortization Of Financing Costs And Discounts Amortization of debt discount and deferred financing costs Amortization Of Intangible Assets Amortization expense of developed technology Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Reconciliation of basic and diluted earnings per share 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] Area Of Real Estate Property Area of lease agreement Assets TOTAL ASSETS Assets Current Total current assets Assets Current [Abstract] CURRENT ASSETS: Assets Fair Value Disclosure Total assets at fair value Astra Zeneca [Member] Astra Zeneca [Member] AstraZeneca [Member] Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] 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] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Cost Of Acquired Entity Transaction Costs Cash payment to transaction related expenses, and for general corporate purposes Business Acquisition Date Of Acquisition Agreement 1 Merger Agreement date Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination Disclosure [Text Block] BUSINESS ACQUISITIONS Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract] Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract] Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract] Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contingent Liability Closure of line of credit facility Secured bridge loan commitment Royalty liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill VIMOVO intellectual property Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Inventory Samples inventory Business Combinations [Abstract] Business Combinations [Abstract] Business Combinations Policy Business Combinations Call Option [Member] Call Option [Member] Capped call transactions number of shares. Capped Call Transactions Number Of Shares Number of options underlying capped call Cash And Cash Equivalents At Carrying Value CASH AND CASH EQUIVALENTS, end of the period CASH AND CASH EQUIVALENTS, beginning of the year Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash And Cash Equivalents Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Restricted Cash Cash discount percent. Cash Discount Percent Cash discount to incentive for prompt payment Cash Dividends Paid To Parent Company By Consolidated Subsidiaries Cash paid to parent company by consolidated subsidiaries Cash received Cash Dividends Paid To Parent Company By Unconsolidated Subsidiaries Closing cash receivable by parent company Class Of Warrant Or Right Outstanding Number of warrants outstanding Clinical and regulatory expenses. Clinical And Regulatory Expenses Clinical and regulatory expenses Commitment and contingencies lease agreement date. Commitment And Contingencies Lease Agreement Date Date of entering into lease agreement Commitment and contingencies lease term commencement date. Commitment And Contingencies Lease Term Commencement Date Lease commencement date Commitment and contingencies option to expand lease period. Commitment And Contingencies Option To Expand Lease Period Option to extend term of lease Commitments And Contingencies COMMITMENTS AND CONTINGENCIES Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Common Stock Capital Shares Reserved For Future Issuance Common stock shares reserved for future issuance Common Stock Issued Upon Exercise Of Warrants Common Stock Issued Upon Exercise Of Warrants Common stock issued upon cash exercise of warrants Common Stock Par Or Stated Value Per Share Common stock, par value Common stock share outstanding. Common Stock Share Outstanding Percentage of common stock shares outstanding Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock, $0.0001 par value; 200,000,000 shares authorized; 74,285,710 and 66,097,417 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively Common stock warrant. 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Contract Manufacturing Expenses Contract manufacturing expenses Contract Termination [Member] Contract Termination [Member] Contractual Obligation Contractual Allowances Conversion Condition One [Member] Conversion Condition One [Member] Conversion Condition One [Member] Conversion Condition Three [Member] Conversion Condition Three [Member] Conversion Condition Three [Member] Conversion Condition Two [Member] Conversion Condition Two [Member] Conversion Condition Two [Member] Conversion Of Stock Shares Converted 1 Number of ordinary shares to be issued from conversion of common stock Convertible Notes Payable Convertible Senior Notes Convertible Notes Payable [Member] Convertible Senior Notes [Member] Co Pay Assistance [Member] Co Pay Assistance [Member] Co-Pay Expenses [Member] Cost Of Goods Sold Cost of goods sold Cost Of Sales Policy [Text Block] Cost of Goods Sold Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Customer Concentration Risk [Member] Customer Concentration Risk [Member] Debt Conversion Converted Instrument Shares Issued 1 Initial conversion, number of shares Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] DEBT AGREEMENTS Debt Instrument Annual Principal Payment Convertible senior notes, principal payment Debt Instrument Basis Spread On Variable Rate 1 Debt instrument variable rate Debt Instrument Commitment Fee Paid Debt Instrument Commitment Fee Paid Fee paid for debt commitment Debt Instrument Convertible Carrying Amount Of The Equity Component Amount of debt instrument equivalent to options underlying capped call Debt Instrument Convertible Conversion Price 1 Initial conversion price, per share Debt Instrument Convertible Threshold Consecutive Trading Days Debt instrument consecutive trading days Debt Instrument, Convertible, Threshold Maximum Percentage Of Stock Price Trigger Debt Instrument Convertible Threshold Maximum Percentage Of Stock Price Trigger Debt instrument convertible maximum percentage Debt Instrument Convertible Threshold Percentage Of Stock Price Trigger Debt instrument convertible minimum percentage Debt Instrument Convertible Threshold Trading Days Debt instrument number of trading days Debt Instrument Fair Value Carrying Value [Abstract] Debt Instrument Fair Value Carrying Value [Abstract] Debt Instrument Fair Value Carrying Value [Abstract] Debt Instrument Fee Amount Notes fees Debt Instrument Interest Rate Stated Percentage Interest rate Debt Instrument Libor Floor Rate Debt Instrument Libor Floor Rate LIBOR floor rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Maturity date of debt instrument Debt Instrument Net Proceeds Received Debt Instrument Net Proceeds Received Net proceeds received Debt Instrument Redemption Price Percentage Percentage of principal amount of debt instrument to be repurchased Debt Instrument Redemption Price Percentage Of Principal Amount Redeemed Convertible Senior Notes sold, percentage Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unamortized Discount Debt discount Debt Issuance Costs Notes expenses Deerfield Illinois Office Additional Facility [Member] Deerfield Illinois Office Additional Facility [Member] Deerfield, Illinois Office Additional Facility [Member] Deerfield Illinois Office [Member] Deerfield Illinois Office [Member] Deerfield, Illinois Office [Member] Deerfield [Member] Deerfield [Member] Deerfield Management Company, L.P. [Member] Deferred Compensation Arrangement With Individual Common Stock Reserved For Future Issuance Additional reserve of common stock for issuance Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Text Block] PREPAID EXPENSES AND OTHER CURRENT ASSETS Deferred Revenue Deferred revenues from sale Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Domain] Deferred Revenue [Domain] Deferred Revenue Current Deferred revenues-current portion Deferred Revenue Noncurrent Deferred revenues, net of current Deferred Tax Assets Valuation Allowance Deductions Deferred Tax Assets Valuation Allowance Deductions Deferred tax valuation allowance Deferred Tax Liabilities Deferred tax liabilities, net Deferred Tax Liabilities Noncurrent Deferred tax liabilities, net Depreciation Depreciation expense Depreciation Depletion And Amortization Depreciation and intangible amortization expense Derivative Financial Instruments Fair Value Assumptions Contractual Conversion Rate Derivative Financial Instruments Fair Value Assumptions Contractual Conversion Rate Initial conversion price Derivative Financial Instruments Liabilities [Member] Derivative Liability [Member] Derivative Liabilities Derivative liability Derivative Liabilities Noncurrent Derivative liability Derivative Loss On Derivative Loss on derivative fair value assessment operations Loss/expense on derivative fair value assessment operations Loss on derivative fair value Derivative Price Risk Option Strike Price Strike price, per share Developed Technology Rights [Member] Developed Technology [Member] Direct Operating Cost Royalty Expense Cost of goods sold Disclosure Accrued Trade Discounts and Rebates [Text Block] Disclosure Accrued Trade Discounts And Rebates [Text Block] ACCRUED TRADE DISCOUNTS AND REBATES Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] EQUITY INCENTIVE PLANS Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Duexis Product [Member] Duexis Product [Member] DUEXIS [Member] Each Fiscal Year [Member] Each Fiscal Year [Member] Each Year [Member] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic And Diluted Basic and diluted net loss per share Earnings Per Share Basic And Diluted [Abstract] Basic and diluted earnings per share calculation: Earnings Per Share Policy [Text Block] Net Loss Per Share Earnings Per Share [Text Block] EARNINGS PER SHARE Effect Of Exchange Rate On Cash And Cash Equivalents Effect of foreign exchange rate changes on cash Employee purchase plan at minimum price as fair value. Employee Purchase Plan At Minimum Price As Fair Value Employees purchase shares of common stock at price per share equal Employee Related Liabilities Current Payroll related expenses Employee Stock Option [Member] Stock Options [Member] Employee stock purchase plan offered period. Employee Stock Purchase Plan Offered Period Lower of fair market offering period Employee Stock Purchase Plans [Member] Employee Stock Purchase Plans [Member] Employee Stock Purchase Program [Member] 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 [Abstract] Equity [Abstract] Exercise price for option to fair value minimum. Exercise Price For Option To Fair Value Minimum Exercise price of stock options percentages of the fair market value on the date of grant Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block] Assumptions Used to Determine Fair Value of Conversion Option Embedded in Convertible Senior Notes Fair Value Assets Measured On Recurring Basis [Text Block] Assets and Liabilities at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Asset Class [Domain] Fair Value Assumptions Expected Term Remaining time to maturity Fair Value Assumptions Expected Volatility Rate Volatility Fair Value Assumptions Interest Rate Percentage Fair Value Assumptions Interest Rate Percentage Borrowing cost Fair Value Assumptions Risk Free Interest Rate Risk free rate Fair Value By Asset Class [Axis] Asset Class [Axis] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis]