Subsequent Events (Details)			3 Months Ended	9 Months Ended
	Sep. 04, 2015 USD ($) installment	Jul. 22, 2015 shares	Sep. 30, 2015 shares	Sep. 30, 2015 shares	Oct. 08, 2015 USD ($)	Sep. 28, 2015 USD ($)	Feb. 28, 2015 shares	Nov. 14, 2014 shares	Aug. 31, 2013 shares	Jun. 30, 2013 shares	Jun. 17, 2013 shares
Common Stock [Member]
Subsequent Event [Line Items]
Number of securities called by warrants | shares									218,750	262,500	43,750
Warrants and Rights Subject to Mandatory Redemption [Member] | Common Stock [Member]
Subsequent Event [Line Items]
Issuance of common stock (in shares) | shares			1,500,000
Private Placement [Member] | Warrants and Rights Subject to Mandatory Redemption [Member]
Subsequent Event [Line Items]
Number of securities called by warrants | shares		8,300,000					541,126	7,777,778
Rights exercisable after November 22, 2015 | shares		6,800,000
Rights exercisable during any 30-day period, thereafter | shares		1,100,000
Convertible Debt [Member]
Subsequent Event [Line Items]
Aggregate principal amount of Notes outstanding	$ 1,500,000					$ 500,000
Convertible Debt [Member] | Private Placement [Member]
Subsequent Event [Line Items]
Aggregate principal amount of Notes outstanding	21,200,000
Aggregate principal amount of Notes retired	14,900,000
Payments for repurchase of Notes	18,800,000
Investor payable, gross	$ 6,300,000
Number of payments | installment	2
Investor payable due in first installment	$ 2,400,000
Investor payable due in second installment	$ 3,900,000
Issuance of common stock (in shares) | shares				21,424,686
Convertible Debt [Member] | Private Placement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Investor payable due in first installment					$ 2,800,000
Amount to be repaid					2,800,000
Aggregate reinstated amount					$ 3,500,000