Liquidity and Continued Operations (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		0 Months Ended		9 Months Ended
	Apr. 16, 2014	Apr. 30, 2014	Mar. 31, 2015	Mar. 31, 2014	Feb. 19, 2015	Nov. 14, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Liquidity and Continued Operations [Line Items]
Cash and investments			$ 200,000
Restricted cash and cash equivalents			28,000,000
Working capital			18,300,000
Common stock, par value (in dollars per share)			$ 0.0001					$ 0.0001
Net cash (used in) operating activities			(5,442,365)	(6,504,594)
Notes payable			6,000,000
Notes payable, repayments of principal and interest in remainder of fiscal year			600,000
Estimated litigation liability			1,300,000						1,700,000
Litigation settlement, payment period	40 months	40 months
Private Placement [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Proceeds from issuance of private placement					2,500,000
Private Placement [Member] | Series D-1 Preferred Stock [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Issuance of common stock (in shares)					2,500
Proceeds from issuance of stock					2,500,000
Private Placement [Member] | Series D Preferred Stock [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Issuance of common stock (in shares)						3,000
Proceeds from issuance of stock						3,000,000
Private Placement [Member] | Common Stock [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Number of securities called by warrants						7,777,778
Common stock, par value (in dollars per share)			$ 0.0001
Convertible Debt [Member] | Private Placement [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Issuance of common stock (in shares)			583,964
Proceeds from issuance of convertible debt						32,000,000
Scenario, Forecast [Member] | Private Placement [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Expected proceeds from restricted control accounts							$ 18,000,000