STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes stock option activity for the nine months ended September 30, 2015:

	Number of shares		Weighted- average exercise price			Weighted- average Contractual Term		Aggregate Intrinsic Value
					(in years)
Outstanding at December 31, 2014		194	$	971.70			3.50	$	—
Granted		—		—
Exercised		—		—
Forfeited		(152)		463.32
Expired		(42)		2,811.53
Outstanding at September 30, 2015		—	$	—			—	$	—
Exercisable at September 30, 2015		—	$	—			—	$	—

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Certain employees, directors and consultants have been awarded restricted stock. The restricted stock vesting consists of milestone and time-based vesting. The following table summarizes restricted share activity for the nine months ended September 30, 2015:

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2014		6,400,001	$	5.86
Granted		480,592		16.00
Vested		(819,622)		5.02
Forfeited		(31,166)		16.76
Outstanding at September 30, 2015		6,029,805	$	6.72

Schedule Of Warrants Activity [Table Text Block]

The following table summarizes warrant activity for the nine months ended September 30, 2015:

	Warrants		Weighted- average exercise price		Aggregate Intrinsic Value
Outstanding at December 31, 2014		4,148,228	$	0.94	$	61,792,184
Issued		—		—
Exercised		(2,925,687)		0.35
Expired		(11,364)		2.25
Outstanding at September 30, 2015		1,211,177	$	2.37	$	9,334,897

Schedule Of Share Based Compensation Expense [Table Text Block]

The following table summarizes stock-based compensation expense information about restricted stock for the three and nine months ended September 30, 2015:

	Three months ended		Nine months ended
	September 30, 2015		September 30, 2015
Stock-based compensation expense associated with restricted stock	$	1,240,034	$	12,840,048
Stock-based compensation expense associated with option grants		—		—
	$	1,240,034	$	12,840,048