Commitments and Contingencies (Details Textual) - USD ($)	1 Months Ended		12 Months Ended
	Nov. 17, 2016	Jan. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 23, 2015
Commitment And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 113,100,000
Loss Contingency, Damages Awarded, Value		194,600,000
Litigation Settlement, Expense		$ 81,500,000
Warrant Expiration Date			Jan. 28, 2015
Restructuring Charges, Total			$ 0	$ 2,546,159	$ 0
Operating Leases, Rent Expense			800,000	700,000	800,000
Maintenance Costs				100,000	$ 100,000	$ 40,000
Government Contract Receivable, Progress Payments Offset			$ 800,000	5,800,000
Operating Lease Term			10 years
Operating Leases, Future Minimum Payments Due, Next Twelve Months			$ 400,000
Accrued Rent, Current			$ 100,000
Lease Expiration Date			May 31, 2017
Estimated Litigation Settlement, Including Interest							$ 205,000,000
Sublease Agreement [Member]
Commitment And Contingencies [Line Items]
Restructuring Charges, Total			$ 100,000	400,000
SIGA Technologies, Inc [Member]
Commitment And Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value				$ 208,700,000
Litigation Settlement Interest			8,400,000
Proceeds from Legal Settlements	$ 83,900,000		217,100,000
Litigation Settlement, Amount			$ 208,700,000
Group Three [Member]
Commitment And Contingencies [Line Items]
Percentage Of Aggregate Principal Amount Redemption			1.00%
Notes Payable Aggregate Principal Repayment Amount			$ 200,000
Group Four [Member]
Commitment And Contingencies [Line Items]
Percentage Of Aggregate Principal Amount Redemption			1.00%
Notes Payable Aggregate Principal Repayment Amount			$ 200,000