Stock Based Compensation (Details) - USD ($)		3 Months Ended	6 Months Ended
	Jul. 12, 2016	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Mar. 31, 2016
Weighted-Average Exercise Price Options [Abstract]
Share based compensation expense			$ 4,364,886	$ 3,662,708
Employees [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Estimated annualized forfeiture rate			10.00%	10.00%
Non-Employees [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Estimated annualized forfeiture rate			0.00%	0.00%
Employees and Directors [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Unrecognized compensation expense related to unvested stock options, granted					$ 12,300,000
Unrecognized compensation cost, recognized as expense over a weighted-average period			1 year 22 days
Senior Management [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Estimated annualized forfeiture rate			2.00%	2.00%
Directors [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Estimated annualized forfeiture rate			0.00%	0.00%
Former Executive [Member]
Weighted-Average Exercise Price Options [Abstract]
Share based compensation expense		$ 1,900,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares subject to stock options (in shares)		14,021,292	14,219,576		14,021,292
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Contractual term and expected life			10 years
Number of Options (Employees and Non-Employees) [Abstract]
Outstanding at beginning of period (in shares)			14,219,576
Granted (in shares)			425,000	550,000
Exercised, forfeited or expired (in shares)			(623,284)
Outstanding at end of period (in shares)		14,021,292	14,021,292
Options exercisable at end of period (in shares)		9,286,827	9,286,827
Weighted-Average Exercise Price Options [Abstract]
Outstanding at beginning of period (in dollars per share)			$ 3.10
Granted (in dollars per share)			2.22
Exercised, forfeited or expired (in dollars per share)			3.88
Outstanding at end of period (in dollars per share)		$ 3.04	3.04
Options exercisable at end of period (in dollars per share)		$ 3.34	$ 3.34
Stock Options [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares subject to stock options (in shares)		13,385,578	13,583,862		13,385,578
Number of Options (Employees and Non-Employees) [Abstract]
Outstanding at beginning of period (in shares)			13,583,862
Granted (in shares)			425,000
Exercised, forfeited or expired (in shares)			(623,284)
Outstanding at end of period (in shares)		13,385,578	13,385,578
Options exercisable at end of period (in shares)		8,651,113	8,651,113
Stock Options [Member] | Non-Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares subject to stock options (in shares)		635,714	635,714		635,714
Number of Options (Employees and Non-Employees) [Abstract]
Outstanding at beginning of period (in shares)			635,714
Granted (in shares)			0
Exercised, forfeited or expired (in shares)			0
Outstanding at end of period (in shares)		635,714	635,714
Options exercisable at end of period (in shares)		635,714	635,714
Stock Options and Warrants [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Risk-free interest rate			1.47%	2.21%
Expected volatility			76.30%
Expected dividend yield			0.00%	0.00%
Stock Options and Warrants [Member] | Minimum [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Expected volatility				78.20%
Expected lives			5 years	6 years
Stock Options and Warrants [Member] | Maximum [Member]
Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract]
Expected volatility				84.40%
Expected lives			10 years	10 years
Warrants [Member]
Weighted-Average Exercise Price Options [Abstract]
Number of warrants issued (in shares)					500,000	500,000
Exercise price of warrants (in dollars per share)					$ 1.74	$ 1.74
2000 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares subject to stock options (in shares)		600,000	600,000		600,000
Expiration date			Aug. 06, 2010
Share-based compensation, shares available for future grant (in shares)					0
Number of Options (Employees and Non-Employees) [Abstract]
Outstanding at end of period (in shares)		600,000	600,000
2008 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares subject to stock options (in shares)		14,000,000	14,000,000		14,000,000
Share-based compensation, shares available for future grant (in shares)					5,900,000
Share-based compensation, increase in shares available for future grant (in shares)	10,000,000
Number of Options (Employees and Non-Employees) [Abstract]
Outstanding at end of period (in shares)		14,000,000	14,000,000