Business and Liquidity (Details Textual) - USD ($)		1 Months Ended						9 Months Ended
	Oct. 06, 2016	Nov. 30, 2016	Oct. 19, 2016	Aug. 31, 2016	Jul. 20, 2016	Dec. 23, 2015	Jan. 31, 2015	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 09, 2014
Restructuring Cost and Reserve [Line Items]
Cash and Cash Equivalents, at Carrying Value								$ 69,106,979	$ 15,569,813	$ 17,389,409	$ 18,643,351
Billed And Unbilled Accounts Receivable Net								1,600,000
Liabilities, Current, Total								$ 3,728,470	2,179,441
Initial Fund Value												$ 5,200,000
Additional Fund Value												6,000,000
Legal Fees				$ 1,000,000
Total Value Of Contracts With Government												$ 28,100,000
Distribution Rate Of Cash Proceeds To Stock Holders								90.00%
Short-term Investments								$ 66,841,690	$ 0
Loss Contingency, Damages Awarded, Value							$ 194,600,000
Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Proceeds from Legal Settlements			$ 20,000,000
Loss Contingency, Damages Awarded, Value		$ 208,700,000
SIGA Technologies Inc [Member]
Restructuring Cost and Reserve [Line Items]
Proceeds From interest On Legal Settlement Claims								7,500,000
Proceeds from Legal Settlements								122,500,000
Legal Settlement Claim Interest Rate On Unpaid Balance					8.75%
Litigation Settlement, Amount					$ 100,000,000	$ 208,700,000		$ 115,000,000
SIGA Technologies Inc [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Litigation Settlement, Amount		$ 83,700,000
SIGA Technologies Inc [Member] | Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Proceeds from Legal Settlements	$ 10,000,000		20,000,000
Litigation Settlement, Amount			$ 100,000,000