INVENTORIES INVENTORIES Inventory Disclosure [Text Block] INVENTORIES Property, Plant and Equipment [Abstract] PROPERTY, PLANT, AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] PROPERTY, PLANT, AND EQUIPMENT GOODWILL AND INTANGIBLE ASSETS GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] GOODWILL AND INTANGIBLE ASSETS STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED COMPENSATION Stockholders Equity Note [Abstract] SHAREHOLDER'S EQUITY Stockholders' Equity Note Stockholders Equity Note Disclosure [Text Block] SHAREHOLDER’S EQUITY INCOME TAXES INCOME TAXES Income Tax Disclosure Income Tax Disclosure [Text Block] INCOME TAXES COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES Commitments Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES FAIR VALUE DISCLOSURES FAIR VALUE DISCLOSURES Fair Value Disclosures [Text Block] FAIR VALUE DISCLOSURES Organization, Consolidation and Presentation of Financial Statements [Abstract] COLLABORATIVE ARRANGEMENTS Collaborative Arrangement Disclosure [Text Block] COLLABORATIVE ARRANGEMENTS Condensed Balance Sheets Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Common stock Series A Preferred Stock [Member] Series A Preferred Stock Series A Preferred Stock Series B Preferred Stock [Member] Series B Preferred Stock Series B Preferred Stock Series C Preferred Stock [Member] Series C Preferred Stock Series C Preferred Stock Series D Preferred Stock [Member] Series D Preferred Stock Series D Preferred Stock Class C Special Stock [Member] Class C special stock Equity Components [Axis] Equity Component [Domain] Redeemable Convertible Preferred Stocks [Member] Redeemable Convertible Preferred Stock Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets Assets, Current [Abstract] Current Assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Accounts Receivable, Net, Current, Total Accounts receivable, net of $8,708 and $5,104 of adjustments for chargebacks and other allowances at December 31, 2014 and 2013, respectively Inventory, Net, Total Inventories, net Inventories, net Deferred Tax Assets, Net of Valuation Allowance, Current Deferred tax assets, net of valuation allowance Prepaid Expense, Current, Total Prepaid expenses and other current assets Assets, Current Total Current Assets Property, Plant and Equipment, Net, Total Property and equipment, net Property, Plant and Equipment, net Deferred Finance Costs, Net Deferred financing costs, net Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred tax asset, net of valuation allowance Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current Liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses and other Employee-related Liabilities, Current Accrued compensation and related expenses Accrued Income Taxes, Current Current income taxes payable Accrued Medicaid Rebates Accrued Medicaid rebates Represents amounts accrued for Medicaid rebates. Returned Goods Reserve Returned goods reserve Represents the reserve for goods returned. Long-term Debt, Excluding Current Maturities [Abstract] Long-term Liabilities Common Stock, Value, Issued Common Stock Value Class C Special Stock Value Aggregate par or stated value of issued nonredeemable Class C Special stock (or common stock redeemable solely at the option of the issuer). Preferred Stock, Value, Issued Preferred Stock, $0.0001 par value, 1,666,667 shares authorized; 0 shares issued and outstanding at December 31, 2014 and 2013, respectively Treasury Stock, Value Treasury stock, 0 shares of common stock at December 31, 2014 and 9,233 shares of common stock, at cost, at December 31, 2013 Additional Paid in Capital, Total Additional paid-in capital Retained Earnings (Accumulated Deficit), Total Accumulated deficit Stockholders' Equity Attributable to Parent Total Stockholders' Equity Balance Balance CommitmentsAndContingencies Commitments and Contingencies (Note 12) DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Nature of Operations [Text Block] Organization and Business Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Consolidation, Policy [Policy Text Block] Principles of consolidation Use of Estimates, Policy [Policy Text Block] Use of Estimates Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Valuation and Qualifying Accounts Disclosure BUSINESS COMBINATION BUSINESS COMBINATION Schedule Of Business Combination Acquisition Related Costs [Table Text Block] Business Combination Transaction Costs Tabular disclosure of cumulative acquisition-related costs incurred to effect a business combination . Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Business Combination Purchase Price Allocation Business Acquisition, Pro Forma Information [Table Text Block] Business Acquisition, Pro Forma Information Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of Intangible Assets and Goodwill Finite-lived Intangible Assets Amortization Expense [Table Text Block] Finite-lived Intangible Assets Amortization Expense Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Chargebacks [Member] Chargebacks Allowance for Sales Returns [Member] Returns Medicaid Rebates [Member] Medicaid Rebates Administrative Fees And Other Rebates [Member] Administrative Fees and Other Rebates Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure Valuation Allowances and Reserves, Balance, Beginning Balance Beginning balance Ending balance Adjustments for chargebacks and other allowances Valuation Allowances and Reserves, Adjustments Accruals/Adjustments Valuation Allowances and Reserves, Charged to Other Accounts Credits Taken Against Reserve Customer [Axis] Customer [Domain] Customer One [Member] Customer Two [Member] Customer Three [Member] Customer One Two And Three [Member] Property, Plant and Equipment, Type [Axis] Concentration Risk, Percentage Common Stock Ten Cent Par Value [Member] Common Stock $0.0001 Par Value Common Stock One Cent Par Value [Member] Common Stock $0.0001 Par Value Common Stock, Par or Stated Value Per Share Common Stock, Par Value (in dollars per share) Common Stock, Shares Authorized Common Stock, Authorized Shares Common Stock, Shares, Issued Common Stock, Issued Shares Common Stock, Shares, Outstanding Common Stock, Outstanding Shares Treasury Stock, Shares Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Transaction Costs [Axis] Transaction Costs [Domain] Legal Fees [Member] Legal fees [Member] Accounting Fees [Member] Accounting fees [Member] Consulting Fees [Member] Consulting fees [Member] Monitoring And Advisory Fees [Member] Monitoring and advisory fees [Member] Transaction Bonuses [Member] Transaction bonuses [Member] Others [Member] Other [Member] Business Acquisition, Transaction Costs Transaction costs Business Combination, Consideration Transferred Total purchase consideration Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Cash and cash equivalents Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restricted Cash Restricted cash Amount of acquisition cost of a business combination allocated to restricted cash. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Teva license intangible asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Other tangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Deferred tax assets, net Goodwill Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Total assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Liabilities assumed Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Severance Accrued severance Amount of acquisition cost of a business combination allocated to accrued severance. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Total liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Total net assets acquired Legal Entity [Axis] Business Acquisition, Pro Forma Revenue Net revenues Business Acquisition, Pro Forma Net Income (Loss) Net income/(loss) Income Statement Location [Axis] Entity [Domain] BioSante Pharmaceuticals Inc [Member] ANIP Acquisition Company [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Teva License Intangible Asset [Member] Teva license intangible asset Income Statement Location [Domain] Selling, General and Administrative Expenses [Member] Interest Expense [Member] Other Expense [Member] Share Price Revenues Net Revenues Business Combination Cost Of Acquired Entity Purchase Price The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. Business Combination Deferred Tax Assets Established Gross Gross deferred tax assets established in business combination. Business Combination Deferred Tax Liabilities Established Gross Gross deferred tax liabilities established in business combination. Business Combination Deferred Tax Asset Liability Valuation Allowance Established Valuation allowance Total valuation allowance related to deferred tax assets and liabilities established in business combination. Business Combination Purchase Price Allocation Deferred Tax Assets, Net Amount of purchase price of a business combination allocated to deferred tax assets, net. Inventory [Line Items] Inventories Inventory, Raw Materials, Gross Raw materials Retail Related Inventory, Packaging and Other Supplies Packaging materials Inventory, Work in Process, Gross Work-in-progress Inventory, Finished Goods, Gross Finished goods Inventory, Gross, Total Inventory, Gross, Total Inventory Valuation Reserves Reserve for excess/obsolete inventories Property, Plant and Equipment, Type [Domain] Land [Member] Building [Member] Buildings [Member] Machinery and Equipment [Member] Machinery, furniture and equipment [Member] Construction in Progress [Member] Construction in progress [Member] Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Income Statement [Abstract] Operating Expenses [Abstract] Operating Expenses Cost of Revenue, Total Cost of sales (excluding depreciation and amortization) Research and Development Expense, Total Research and development Selling, General and Administrative Expense, Total Selling, general and administrative Depreciation, Depletion and Amortization, Total Depreciation and amortization Costs and Expenses Total Operating Expenses Operating Income (Loss) Operating Income from Continuing Operations Nonoperating Income (Expense) [Abstract] Other Income/(Expense) Interest Income (Expense), Nonoperating, Net Interest expense Other Nonoperating Income (Expense), Total Other income/(expense) Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest, Total Income from Continuing Operations Before Benefit/(Provision) for Income Taxes Income Tax Expense (Benefit) Benefit/(Provision) for income taxes Tax provision (benefit) from continuing operations Income (Loss) from Continuing Operations Attributable to Parent, Total Net income/(loss) from Continuing Operations, Basic Net income, Basic Net Income from Continuing Operations Net income, Diluted Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax [Abstract] Discontinued Operation Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax Gain on discontinued operation, net of provision for income taxes Net Income (Loss) Attributable to Parent, Total Net Income Net income Net Income Income (Loss) from Continuing Operations Attributable to Parent [Abstract] Computation of Income/(Loss) from Continuing Operations Attributable to Common Stockholders and Participating Securities: Preferred Stock Dividends, Income Statement Impact Preferred stock dividends Preferred stock dividends, Diluted Preferred stock dividends Net Income Loss Available to Common Stockholders, Basic and Participating Securities Income/(Loss) from Continuing Operations Attributable to Common Stockholders and Participating Securities The Income (Loss) that is allocated to common stock and participating securities. Earnings Per Share, Basic [Abstract] Basic Income/(Loss) Per Share: Income (Loss) from Continuing Operations, Per Basic Share Continuing operations (in dollars per share) Earnings Per share from Continuing Operations, Basic Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Discontinued operation (in dollars per share) Earnings Per share from Discontinued Operation, Basic Earnings Per Share, Basic, Total Basic Income/(Loss) Per Share Earnings/(Loss) Per Share, Basic Income (Loss) from Continuing Operations, Per Diluted Share Continuing operations (in dollars per share) Earnings Per share from Continuing Operations, Diluted Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Discontinued operation (in dollars per share) Earnings Per share from Discontinued Operation, Diluted Earnings Per Share, Diluted, Total Diluted Income/(Loss) Per Share (in dollars per share) Earnings/(Loss) Per Share, Diluted Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted-Average Shares Outstanding (in shares) Diluted Weighted-Average Shares Outstanding Depreciation, Total Acquired ANDA Intangible Asset [Member] Acquired ANDA intangible assets Product Rights [Member] Product rights Reglan Intangible Asset [Member] Reglan intangible asset Range [Axis]