Reorganizations [Abstract] Reorganization items Reorganization items [Table Text Block] The schedule represents a summary of reorganization items. Payables and Accruals [Abstract] Bonus Accrued Bonuses, Current Professional fees Accrued Professional Fees, Current Vacation Accrued Vacation, Current Other (primarily R&D vendors and CMOs) Other Accrued Liabilities, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Property, Plant and Equipment [Abstract] Leasehold improvements, gross Leasehold Improvements, Gross Computer equipment, gross Computer Equipment The gross amount of capitalized computer equipment costs as of the balance sheet date. Furniture and fixtures, gross Furniture and Fixtures, Gross Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation, depletion and amortization, property, plant, and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net Depreciation and other amortization Depreciation, Depletion and Amortization Reorganization Items, net Reorganization under Chapter 11 of US Bankruptcy Code Disclosure [Text Block] Accrued Expenses Accrued expenses and other current liabilities [Text Block] The entire disclosure for accrued liabilities and other current liabilities at the end of the reporting period. Research and Development [Abstract] Procurement Contract and Research Agreements Procurement Contract and Research Agreements [Text Block] The entire disclosure for procurement contracts and research agreements including grants or contracts from various agencies of the U.S. government to support the reporting entity's research and development activities. Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Secured Debt Secured Debt [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Warrants Warrant [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Forecast Scenario, Forecast [Member] Debt Instrument Capacity by Specific Purpose [Axis] Debt Instrument Capacity by Specific Purpose [Axis] Debt Instrument Capacity by Specific Purpose [Axis] Debt Instrument Capacity by Specific Purpose [Domain] Debt Instrument Capacity by Specific Purpose [Domain] [Domain] for Debt Instrument Capacity by Specific Purpose [Axis] Repayment of Interests Repayment of Interests [Member] Repayment of Interests [Member] Payments Related to Litigation Payments Related to Litigation [Member] Payments Related to Litigation [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] US Treasury Rate US Treasury Rate [Member] US Treasury Rate [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Loan Agreement Loan Agreement [Member] Loan Agreement [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Margin for term loan Debt Instrument, Basis Spread on Variable Rate Effective interest rate (as a percent) Debt Instrument, Interest Rate During Period Interest expense, debt Interest Expense, Debt Interest paid on term loan Interest Paid Interest expense accreted to balance Amortization of Financing Costs Capacity available for specific purpose other than for trade purchases Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases Additional borrowing capacity Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity Minimum cash requirement Line of Credit Facility, Minimum Cash Requirement Line of Credit Facility, Minimum Cash Requirement Potential increase in interest rate Line of Credit Facility, Debt Default, Increase in Interest Rate Line of Credit Facility, Debt Default, Increase in Interest Rate Costs incurred Debt Issuance Cost Fees and expenses Debt Instrument, Fee Amount Fair value of warrant Warrants and Rights Outstanding Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Fair Value Disclosures [Abstract] Warrant liability at December 31, 2016 Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Increase in fair value of warrant liability Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Warrant liability at March 31, 2017 Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Organization, Consolidation and Presentation of Financial Statements [Abstract] Procurement Contract [Table] Procurement Contract [Table] Procurement Contract [Table] Procurement Contract [Axis] Procurement Contract [Axis] Procurement Contract [Axis] Procurement Contract [Domain] Procurement Contract [Domain] Procurement Contract [Domain] BARDA Contract Barda Contract [Member] Barda Contract [Member] Procurement Contract [Line Items] Procurement Contract [Line Items] Procurement Contract [Line Items] Payments for legal settlements Payments for Legal Settlements Proceeds from manufacture and physical delivery of courses, government contract Proceeds From Manufacture And Physical Delivery Of Courses, Government Contracts Proceeds from manufacture and physical delivery of courses, government contracts. Government contract, total number of courses required to be delivered Government Contract, Total Number of Courses Required to Be Delivered Government Contract, Total Number of Courses Required to Be Delivered Reduced holdback amount Reduced holdback amount Reduced holdback be received from BARDA Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options Employee Stock Option [Member] Stock-Settled Stock Appreciation Rights Stock Appreciation Rights (SARs) [Member] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Weighted average Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted stock units Restricted Stock Units Restricted Stock Units have been vested but not converted into common stock Recent Accounting Pronouncements [Abstract] Recent Accounting Pronouncements [Abstract] Recent Accounting Pronoucements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash and cash equivalents-short term Restricted Cash and Cash Equivalents, Current Accounts receivable Accounts Receivable, Net, Current Inventory Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Restricted cash and cash equivalents-long term Restricted Cash and Cash Equivalents, Noncurrent Deferred costs Deferred Costs, Noncurrent Goodwill Goodwill Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ DEFICIT Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses and other current liabilities Warrant liability Total current liabilities Liabilities, Current Deferred revenue Deferred Revenue, Noncurrent Deferred income tax liability, net Deferred Tax Liabilities, Net, Noncurrent Other liabilities Other Liabilities Loan payable Loans Payable Total liabilities Liabilities Commitments and Contingencies Commitments and Contingencies Stockholders’ deficit Stockholders' Equity Attributable to Parent [Abstract] Common stock ($.0001 par value, 600,000,000 shares authorized, 78,780,059 and 78,692,612issued and outstanding at March 31, 2017, and December 31, 2016, respectively) Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ deficit Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ deficit Liabilities and Equity Statement of Cash Flows [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Net Income (Loss) Attributable to Parent Adjustments to reconcile net loss to net cash (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and other amortization Increase in fair value of warrant liability Increase In Fair Value Of Warrants Noncash expense, not otherwise specified in the taxonomy, charged against earnings in the period to adjust the fair market value of liability classified warrants to purchase common stock. Stock-based compensation Share-based Compensation Non-cash interest expense Other Noncash Expense Interest expense on term loan - paid with restricted cash Payment of Interest Expense Payment of Interest Expense Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Deferred costs Increase (Decrease) in Deferred Charges Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense Deferred income taxes, net Deferred Income Tax Expense (Benefit) Accounts payable, accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Liabilities subject to compromise Liabilities Subject to Compromise, Period Increase (Decrease) Deferred revenue Increase (Decrease) in Deferred Revenue Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payment of employee tax obligations for common stock tendered Payments Related to Tax Withholding for Share-based Compensation Net cash used by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Cash interest paid on Term Loan from restricted cash Interest Paid on Term Loan From Restricted Cash Interest Paid on Term Loan From Restricted Cash Income Tax Disclosure [Abstract] Current income tax expense (benefit) Current Income Tax Expense (Benefit) Income (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Domestic Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] License Agreement litigation License Agreement Litigation [Member] License Agreement Litigation [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Settled Litigation Settled Litigation [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Number of courses to be delivered Number of Courses To Be Delivered 1 Number of tecovirimat, also known as ST-246, courses to be delivered to the U.S. Strategic National Stockpile Final order and judgment Final Order And Judgment Final order and judgment entered by the Court awarding damages to the Plaintiff. Final order and judgment post-judgment interest Final Order And Judgment Post-Judgment Interest Final order and judgment post-judgment interest entered by the Court awarding damages to the Plaintiff. Final order and judgment including interest Final order and judgment plus interest Final Order and Judgment entered by the Court awarding expectation damages, plus pre-judgment interest, and certain permitted legal fees, costs, and expenses to Plaintiff. Per Share Data Earnings Per Share [Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Equity [Abstract] Financial Instruments Financial Instruments Disclosure [Text Block] Condensed Consolidated Financial Statements Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical [Abstract] Common stock, par value Common Stock, Par or Stated Value 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 Property, plant and equipment Property, Plant and Equipment [Table Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Private Placement Private Placement [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Member of Board of Directors Management [Member] Affiliated Entity Affiliated Entity [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Legal fees Legal Fees Accounts payable to related party Accounts Payable, Related Parties Share price Share Price Free rent period Free Rent Period Free Rent Period in months allowed under the sublease. Monthly rental payments first five years Monthly Rental Payments First Five Years The amount of the monthly rental payments due under the sublease entered into for the first five years. Initial rent period Initial Rent Period Represents the number of years for the initial rent period of five years and related monthly payments. Monthly rental payments after five years Monthly Rental Payments After Five Years The amount of the monthly rental payments due under the sublease entered into after the first five years. Rent period after first five years Rent Period After First Five Years Represents the amount of years after the initial rent period of first five years of which monthly rental payments will increase. Inventory [Abstract] Inventory [Abstract] Inventory Schedule of Inventory, Current [Table Text Block] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock Common Stock [Member] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Equity Rights Equity Rights [Member] Equity Rights [Member] Subscription Right Subscription Right [Member] Subscription Right [Member] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Warrants to purchase common stock Class of Warrant or Right, Number of Securities Called by Warrants or Rights Exercise price of warrants to purchase common stock Class of Warrant or Right, Exercise Price of Warrants or Rights Exercisable period for warrants (in years) Class of Warrant or Right, Period from which Warrants or Rights are Exercisable Class of Warrant or Right, Period from which Warrants or Rights are Exercisable Risk free interest rate (as a percent) Fair Value Assumptions, Risk Free Interest Rate Expected dividend rate (as a percent) Fair Value Assumptions, Expected Dividend Rate Expected term (in years) Fair Value Assumptions, Expected Term Expected volatility rate (as a percent) Fair Value Assumptions, Expected Volatility Rate Equity offering Proceeds from Issuance of Warrants Issuance of common stock associated with rights offering, shares Stock Issued During Period, Shares, Rights Offering Stock Issued During Period, Shares, Rights Offering Warrants that can be purchased, shares Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Amount to be invested by each warrant or right to purchase securities, per share Class of Warrant or Right, Amount to be Invested by Each Warrant or Right to Purchase Securities, Per Share Class of Warrant or Right, Amount to be Invested by Each Warrant or Right to Purchase Securities, Per Share Volume of weighted average price during market hours (as a percent) Class of Warrant or Right, Exercise Price of Warrants or Rights, Volume of Weighted Average Price During Market Hours, Percentage Class of Warrant or Right, Exercise Price of Warrants or Rights, Volume of Weighted Average Price During Market Hours, Percentage Stock issued during period, new issues, shares Stock Issued During Period, Shares, New Issues Payments of stock issuance costs Payments of Stock Issuance Costs Value of contract Government Contract, Value of Award 1 Value of base contract award. Contract Value of Manufacturing and Delivery Activities Contract Value of Manufacturing and Delivery Activities Contract value of manufacturing and delivery activities. Contract value of development and support activities Contract Value of Development and Support Activities Contract value of development and support activities Contract value of various options Contract Value of Various Options Contract value of various options exercisable at BARDA's discretion. Number of courses under modified contract Government Contract, Number of Courses Purchased Under Modified Contract Government contract, number of courses to be purchased under modified contract. Government contract, number of free courses Government Contract, Number of Free Courses Number of courses of tecovirimat to be contributed to the Strategic Stockpile at no cost to the government. Proceeds from advance payments under the BARDA contract Proceeds from Advance Payments, Government Contracts Proceeds from advance payments, government contracts Milestone payment Milestone payment Proceeds from milestone payment, Government contracts Proceeds From Physical Delivery Of Courses, Government Contracts Proceeds From Physical Delivery Of Courses, Government Contracts Proceeds from physical delivery of courses, government contract. Number of courses delivered and accepted at provisional dosage, once daily Number Of Courses Delivered And Accepted At Provisional Dosage, Once Daily Number of tecovirimat, also known as ST-246, courses delivered and accepted at the provisional dosage of 600 mg once daily to the U.S. Strategic National Stockpile. Research and development revenue long-term contract Research and Development Revenue Long-term Contract Revenue earned during the period arising from research and development services provided under the terms of a long-term contract. May include government contracts and any other contract related to a particular project or product. Number of active grants Number of Active Grants Number of active grants Potential future research and development funding Potential Future Aggregate Research and Development Expenses Potential future aggregate research and development funding for specific projects which includes options that may or may not be exercised at the U.S. government's discretion. Contract Value, Option, FDA Approval Contract Value, Option, FDA Approval Contract value of option exercisable, FDA approval for extension to 84-month expiry for Tecovirimat, at BARDA's discretion. Contract Value, Detail Of Option Exercisable, Development Activities Contract Value, Detail Of Option Exercisable, Development Activities Contract value of option exercisable, amount represents exercisable option that would fund development and support activities, at BARDA's discretion. Contract Value, Detail Of Option Exercisable, Production Activities Contract Value, Detail Of Option Exercisable, Production Activities Contract value of option exercisable, amount represents exercisable option that would fund production activities, at BARDA's discretion. Increase in payments for delivery of courses of TPOXX Increase in payments for delivery of courses of TPOXX Increase in payments for delivery of courses of TPOXX Holdback amount pending FDA approval Holdback amount pending FDA approval Holdback amount pending FDA approval Number of courses to be delivered by company Number of Courses to be Delivered by Company Number of Courses to be Delivered by Company Amount of option to be received from BARDA for approval for extension of 84 moth expiry Amount of option to be received from BARDA for approval for extension of 84 moth expiry Amount of option to be received from BARDA for approval for extension of 84 moth expiry Deferred revenue Deferred Revenue Increase to funding of research and development contract Increase to Funding of Research and Development Contract Increase to Funding of Research and Development Contract Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Secured Term Loan Senior Secured Term Loan [Member] Senior Secured Term Loan [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] 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] Loan outstanding Long-term Debt Schedule of antidilutive securities excluded from computation of earnings per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Inventory Disclosure [Abstract] Work in process Inventory, Work in Process and Raw Materials Finished goods Inventory, Finished Goods, Net of Reserves Inventory write-downs Inventory Write-downs Inventory write-downs included in research and development expense on the balance sheet. Reorganization payments Reorganization Payments The amount the Company paid for reorganization items. Accrued Expenses Accrued expenses and other current liabilities [Table Text Block] Tabular disclosure of the components of accrued liabilities and other current liabilities. Legal fees Debtor Reorganization Items, Legal and Advisory Professional Fees Professional fees Reorganization, Professional Fees Amount of reorganization items related to professional fees related to entities in bankruptcy. Trustee fees Reorganization, Trustee fees Amount of reorganization items for trustee fees related to entities in bankruptcy. Total Reorganization Items Inventory Inventory Disclosure [Text Block] Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Debt Debt Disclosure [Text Block] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Income Taxes Income Tax Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Income Statement [Abstract] Revenues Revenues [Abstract] Research and development Research and Development Revenue Revenue earned during the period arising from services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts and any other contract related to a particular project or product. Operating expenses Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Patent preparation fees Patent Preparation Fees The aggregate costs incurred for fees associated with the protection and expansion of patents and related intellectual property. Interest on PharmAthene liability Litigation Settlement Interest Total operating expenses Operating Expenses Operating loss Operating Income (Loss) Decrease (increase) in fair value warrant liability Interest expense Interest Expense Other income, net Nonoperating Income (Expense) Reorganization items, net Loss before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net and comprehensive loss Loss per share: basic and diluted Earnings Per Share, Basic and Diluted Weighted average shares outstanding: basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Cumulative effect of new accounting principle in period of adoption Deferred Income Tax Assets, Net