Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs, Share-Based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Warrants and Rights Note Disclosure [Abstract] Warrants For Common Stock [Text Block] Warrants For Common Stock [Text Block] It represents about warrants issued during the period number of warrants exercised and expired. Development Stage Enterprise, Additional Information For Statement Of Stockholders' Equity Disclosure [Abstract] Common Stock Offerings [Text Block] Common Stock Offerings [Text Block] The entire disclosure of common stock offerings. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Restructuring and Related Activities [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events [Text Block] Accounting Policies [Abstract] Basis Of Accounting, Policy [Policy Text Block] Basis of Accounting, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Use Of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule Of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule Of Employee Service Share-Based Compensation, Allocation Of Recognized Period Costs [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule Of Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding [Table Text Block] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block] Statement Of Financial Position [Abstract] Statement [Table] Scenario [Axis] Scenario, Unspecified [Domain] Statement [Line Items] Assets [Abstract] Assets Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Prepaid Expense, Current, Total Prepaid contract research and manufacturing Prepaid Expense and Other Assets, Current Other prepaid expenses and other current assets Assets, Current [Abstract] Current assets: Assets, Current, Total Total current assets Property, Plant and Equipment, Net, Total Property and equipment, net Intangible Assets, Net (Excluding Goodwill), Total Intangible asset, net Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Employee-Related Liabilities, Current Accrued compensation and related expenses Restructuring Reserve Accrued restructuring Restructuring Liabilities as of December 31, 2013 Restructuring Liabilities as of March 31, 2014 Accrued Liabilities, Current Accrued contract research and manufacturing Other Accrued Liabilities, Current Other accrued expenses Liabilities, Total Total liabilities Commitments and Contingencies Commitments Preferred Stock, Value, Issued Preferred stock, $0.0001 par value, 5,000,000 shares authorized, no shares issued and outstanding Common Stock, Value, Issued Common stock, $0.0001 par value, 200,000,000 shares authorized, 78,457,126 and 78,433,916 shares issued and outstanding Additional Paid in Capital, Total Additional paid-in capital Development Stage Enterprise, Deficit Accumulated During Development Stage Deficit accumulated during the development stage Stockholders Equity Attributable To Parent [Abstract] Stockholders' equity: Stockholders Equity Attributable to Parent, Total Total stockholders' equity Balance Balance Restructuring and Related Costs [Table Text Block] Schedule of Restructuring and Related Costs [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Performance Commitments [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Noncontrolling Interest, Ownership Percentage By Parent Noncontrolling Interest, Ownership Percentage by Parent Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash and Cash Equivalents, Fair Value Disclosure Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total Options granted during period (in shares) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Weighted average risk-free interest rate Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected life of options (in years) Weighted-average expected life of options Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Weighted average expected volatility Allocated Share-based Compensation Expense, Total Stock-based compensation expense recorded during period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total Total unrecognized compensation expense remaining Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Remaining average recognition period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Additional Disclosures [Abstract] Options outstanding under the plan: Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance Total options outstanding Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average exercise price per share Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding, Number Total options outstanding and vested Share Based Compensation Arrangement By Share Based Payment Award In Money Options Outstanding Number Total in-the-money options outstanding The number of shares reserved for issuance under, in the money stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Equity Components [Axis] Equity Component [Domain] Title of Individual [Axis] Relationship to Entity [Domain] Employees [Member] Non Employee Directors [Member] Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Vesting percentage of shares issued under stock based compensation plan. Share Based Compensation Arrangement Share Based Payment Award Unvested Options Forfeitures In Period Share Based Compensation Arrangement Share Based Payment Award Unvested Options Forfeitures In Period The number of shares under unvested options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock options exercised (in shares) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share Based Compensation Arrangement Share Based Payment Award Estimated Forfeiture Rate The percentage represents the share based compensation arrangement share based payment award estimated forfeiture rate as of that date. Combined Voting Power of the Company's Outstanding Securities Percentage represents combined voting power of the Company's outstanding securities other than through a traditional financing transaction. Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Stock Compensation Plan [Member] Contingently Issuable Shares [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Unexercised Warrants To Purchase Common Stock Expired It represents the number of unexercised warrants to purchase common stock which has been expired during the period. Development Stage Entities, Equity Issuance, Per Share Amount Warrants Issued To Purchase Common Stock Shares Number of warrants issued to purchase common stock shares. Warrants Exercised During Period The number of share warrants exercised during the period Warrants Exercise Price Represents exercise price of warrants. Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars 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 Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars 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 Schedule of Stock by Class [Table] Common Stock [Member] Common stock [Member] Class of Stock [Line Items] Proceeds From Issuance Of Common Stock Proceeds from Issuance of Common Stock Stock Issued During Period, Shares, New Issues Common stock issued during period, shares Payments of Stock Issuance Costs Payments of Stock Issuance Costs Commitments and Contingencies [Table] Range [Axis] Range [Domain] Minimum [Member] Maximum [Member] License Agreement [Axis] License Agreement [Domain] License Agreement With Gopal Nair [Member] License Agreement With Dainippon Sumitomo Pharma [Member] Finders Agreement [Member] Facility Lease [Member] License Agreement [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Use Rights [Member] Investment Type [Axis] Investments [Domain] Warrant [Member] Development and Commercialization Agreement [Axis] Development and Commercialization Agreement [Domain] Development and Commercialization Agreement With Active Biotech [Member] Contract Research and Manufacturing Purchase Obligations [Axis] Contract Research and Manufacturing Purchase Obligations [Domain] Contract Research and Manufacturing Purchase Obligations [Member] Other Contractual Obligations [Axis] Other Contractual Obligations [Domain] Other Contractual Obligations [Member] Clinical Trial [Axis] Clinical Trial [Domain] It represents the clinical Trial items. Phase Iii Clinical Trial [Member] Phase III Clinical Trial [Member] Phase Ii Clinical Trial [Member] Phase II Clinical Trial [Member] Related Party [Axis] Related Party [Domain] N D [Member] N D A [Member] Commitments and Contingencies [Line Items] Initial Payment Towards Use Of Rights As Per License Agreement Initial Payment Towards Use Of Rights As Per License Agreement Initial payment towards use of rights as per license agreement. Value Of Common Stock Issued During Period Towards Milestone Payment Value Of Common Stock Issued During Period Towards Milestone Payment Value of common stock issued during period towards milestone payment. Common Stock Shares Issued During Period To Wards Milestone Payment Common Stock Shares Issued During Period To wards Milestone Payment Number of common stock, shares issued during period towards milestone payment. Fair Value Of Common Stock Issued During Period Towards Milestone Payment Fair Value Of Common Stock Issued During Period Towards Milestone Payment Fair value of common stock issued during period towards milestone payment. Triggering of Event, Milestone Payment, Payable Amount of milestone payment payable on triggering of an event. Milestone Payment Made During Period Milestone Payment Made During Period Milestone payments made during the period. Potential Future Milestone Payments Potential Future Milestone Payments Amount of potential future milestone payments. Common Stock Shares Issued During Period Towards Right To Use Intellectual Property Common Stock Shares Issued During Period Towards Right To Use Intellectual Property The value of common share issued during the period towards the use of intellectual property. Fair Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property Fair Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property The fair value of common stock issued during the period towards the use of intellectual property. Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property Value Of Common Stock Issued During Period Towards Right To Use Intellectual Property The value of common stock issued during the period towards the use of intellectual property. Research and Development Expense (Excluding Acquired In Process Cost) Research and Development Expense (Excluding Acquired in Process Cost) Noncash Or Part Noncash Acquisition, Noncash Financial Or Equity Instrument Consideration, Warrants Issued Warrants issued to purchase common stock Investment Warrants, Exercise Price Common stock warrants, purchase price (in dollars per share) Fair Value Of Warrants Granted Fair Value Of Warrants Granted Fair value of warrants granted. Beneficial Ownership Percentage This element represents the percentage of beneficial ownership. Commitment And Contingencies, Bonus Payments Obligation This element represents the bonus payments which the company is obligated to pay upon satisfaction of conditions. Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Type of Restructuring [Domain] Employee Related Costs Severance and Salary Continuation [Member] Employee Related Costs Accrued Vacation At Separation [Member] Other Restructuring [Member] Other costs [Member] Restructuring Cost and Reserve [Line Items] Restructuring Charges To Reserve Charges to the Reserve Amount of charges to the reserves against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. Payments for Restructuring Cash Payments Restructuring Reserve, Accrual Adjustment Adjustments, Non-cash items and Changes to Estimates Director [Member] Restructuring Charges To Reserve Total Amount of charges to the reserves against earnings in the period for incurred and estimated total costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. Cash Payments Related To Restructuring Reserves The element represents the payments of restructuring reserves. Restructuring Reserve Accrual Adjustment Total Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments. Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Subsequent Event [Table] Common Stock Issuance Date [Axis] Common Stock Issuance Date [Domain] Cumulative Sales [Member] November 1 to November 5, 2013 [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Major Types of Debt and Equity Securities [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Income Statement [Abstract] Operating Expenses [Abstract] Operating expenses: Research and Development Expense, Total Research and development Selling and Marketing Expense, Total Sales and marketing General and Administrative Expense, Total General and administrative Restructuring Charges, Total Restructuring Operating Expenses, Total Total operating expenses Operating Income (Loss), Total Operating loss Investment Income, Interest Interest income Interest Expense, Total Interest expense Net Income (Loss) Attributable to Parent, Total Net loss Net loss Earnings Per Share, Basic and Diluted, Total Net loss per basic and diluted share of common stock (in dollars per share) Weighted Average Number Of Shares Outstanding, Basic and Diluted Weighted average number of basic and diluted common shares outstanding (in shares) Statement Of Stockholders' Equity [Abstract] Additional Paid-in Capital [Member] Additional paid-in capital [Member] Accumulated Deficit during Development Stage [Member] Deficit accumulated during the development stage [Member] Shares, Issued Balance (in shares) Balance (in shares) Share-based Compensation, Total Stock-based compensation Non-cash stock-based compensation Stock Issued During Period, Value, Stock Options Exercised Stock options exercised Statement Of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities [Abstract] Operating activities: Adjustments, Noncash Items, 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: Depreciation, Depletion and Amortization, Total Depreciation and amortization Issuance of Stock and Warrants for Services or Claims Stock issued for license agreement Paid-In-Kind Interest Non-cash interest expense Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss (gain) on disposition of assets Fair Value Of Warrants For Finders Agreement Fair value of warrants for finder's agreement This represents the aggregate fair value of warrants issued to purchase common stock of the company pursuant to a Finder's Agreement entered into by the company for the sub-licensable license and right to certain intellectual property and proprietary information. Increase (Decrease) In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets, Total Prepaid contract research and manufacturing expenses, other prepaid expenses and other assets Increase (Decrease) In Other Accrued Liabilities Accounts payable, accrued contract research and manufacturing expenses and other accrued expenses Increase (Decrease) in Employee Related Liabilities, Total Accrued compensation and related expenses Increase (Decrease) In Restructuring Reserve Accrued restructuring Net Cash Provided by (Used in) Operating Activities, Total Net cash used in operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Investing activities: Payments to Acquire Property, Plant, and Equipment, Total Acquisitions of property and equipment Payments to Acquire Intangible Assets Investment in intangible asset Proceeds from Sale of Productive Assets, Total Proceeds from sale of assets Payments to Acquire Investments, Total Puchases of short-term investments Payments for (Proceeds from) Investments, Total Redemptions and sales of short-term investments Net Cash Provided by (Used in) Investing Activities, Total Net cash used in investing activities Net Cash Provided By (Used In) Financing Activities [Abstract] Financing activities: Proceeds From Contributions From Affiliates Proceeds from borrowings from affiliate Proceeds from Stock Options Exercised Proceeds from exercise of stock options Proceeds From Warrant Exercises Proceeds from exercise of common stock warrants Recapitalization Costs Recapitalization of the Company Proceeds from Issuance or Sale of Equity, Total Proceeds from sales of equity securities, net of issuance costs Receipt Of Recovery Of Short Swing Profits Receipt of recovery of short-swing profits Receipt of recovery of short-swing profits. Receipt Of Cash For Stock Subscription Receivable Receipt of cash for stock subscription receivable Receipt of cash for stock subscription receivable. Net Cash Provided by (Used in) Financing Activities, Total Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease), Total Net (decrease) increase in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Interest Paid, Net Cash paid for interest Common Stock, Share Subscribed But Unissued, Subscriptions Receivable Common stock, subscription receivable Interest Payable Accrued interest Debt Conversion, Converted Instrument, Shares Issued Common stock issued in conversion of loan Common Stock Issued In Lieu Of Repayment Of Loan Per Shares Common Stock Issued In Lieu Of Repayment Of Loan Per Shares (in dollars per share) Common stock issued in lieu of repayment of loan, per share. Business Acquisition, Equity Interest Issued Or Issuable, Number Of Shares Common stock, issued in conjunction with merger and recapitalization Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation Of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Document And Entity Information [Abstract] Document Information [Table] Class of Stock [Axis] Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Trading Symbol Entity Common Stock, Shares Outstanding Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Assets, Total Total Assets Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Unexercised, Forfeited, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested but unexercised, Options Forfeited, Number of Shares during the period. Shares Authorised The maximum number of shares (Common stock and Preferred stock) permitted to be issued by an entity's charter and bylaws. Proceeds From Issuance Of Common Stock Net The net cash inflow from the additional capital contribution to the entity. Sale Of Shares Aggregate Offering Price Maximum Limit This element represents the aggregate offering price limit upto which the company is eligible to sell its shares. Stock Issued During Period New Issues Per Share Average stock price at which new stock issued during the period. Maximum Amount Of Securities Authorized Under Shelf Registration The maximum amount of securities authorized to issue as of balance sheet date under shelf registration. Inventory, Net, Total Agreement Type [Axis] Major Types of Debt and Equity Securities [Domain] Equity Option [Member] Document Information [Line Items] Class of Stock [Domain] Liabilities and Equity, Total Total liabilities and stockholders' equity Warrants Expired Number Of Warrants This element represents that, the number of warrants expired during the period. Warrants Exercise Number Of Warrants Warrants Exercised Number Of Warrants This element represents the number of warrants exercise during the period. Share Based Compensation Arrangement By Share Based Payment Award Options Expected To Vest Outstanding Aggregate Intrinsic Value Aggregate intrinsic value of in-the-money options outstanding Amount by which the current fair value of the underlying stock exceeds the exercise price of fully expected to vest options outstanding. Share Based Compensation Arrangement By Share Based Payment Award In Money Options Vested And Outstanding Total in-the-money options outstanding and vested This element represent total in the money options vested and outstanding. Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value of in-the-money options outstanding and vested Accrued Bonuses, Current Business Combination, Purchase Price Consideration, Per Share Purchase price consideration, cash paid per share under the merger agreement. Contigent Value Right, Per Share Contractual right to receive up to, per share CVR upon the achievement of certain sales milestones, in each case subject to any required withholding of taxes. Liabilities Subject to Compromise, Early Contract Termination Fees Reimbursement of Transaction Cost In Case of Contract Termination Amount of transaction cost to be repaid in case of contract termination. Maximum Payment Receivable Based on Total Net Sales The Maximum amount per share receivable based on amount of worldwide net sales. Expected Sales to Pay Contingent Value Rights Expected sales to pay contingent value rights per share to holders of CVRs. Subsequent Event [Line Items] Agreement Type [Domain] Agreement and Plan of Merger [Member] Contingent Value Rights Agreement [Member]