Notes Payable (Chambers Credit Agreement) - Additional Information (Detail) - USD ($)		12 Months Ended
	Jul. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	May 21, 2014	Feb. 28, 2013	Apr. 26, 2012
Debt Instrument [Line Items]
ASD Credit Agreement, closing date	Dec. 31, 2016
Interest		$ 6,349,831	$ 11,623,165
Amortization of termination fee		2,092,718	1,309,924
Chambers Credit Agreement [Member]
Debt Instrument [Line Items]
Credit facility, face amount					$ 75,000,000	$ 50,000,000
Original issue discount						3,000,000
Administrative fee		12,500,000				$ 50,000
Interest expense on debt		$ 0	1,189,400
Interest rate		Interest was due monthly at 10% plus the greater of 1% or the 3 month LIBOR rate
Maturity Date		Feb. 28, 2015
LIBOR Rate		1.00%
Debt instrument interest rate		10.00%
Debt instrument LIBOR Rate		11.00%
Debt instrument increase in principal amount		$ 25,000,000
Prepayment penalty description		The Termination Fee was defined as $12.5 million less all interest payments actually made with respect to the $25 million loan prior to such date.
ASD Credit Agreement, closing date		Apr. 26, 2014
Termination fee liability		$ 6,800,000		$ 9,077,778
Interest		5,700,000
Termination fee, debt discount		$ 6,800,000
Conversion period - Termination Fee Debt Discount		Feb. 28, 2015
Amortization of termination fee		$ 0	3,940,689
Amortization of debt discount		$ 0	1,115,280
Debt instrument percentage of contingent interest on non compliance of debt covenant		1.00%
Addition to principal balance and interest expense			$ 1,149,969