STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 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 three months ended June 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		—		—
Expired		(42)		2,811.53
Outstanding at June 30, 2015		152	$	463.32		3.97	$	—
Exercisable at June 30, 2015		152	$	463.32		3.97	$	—

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

The following table summarizes restricted share activity for the six months ended June 30, 2015:

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2014		6,400,001	$	5.86
Granted		471,592		16.03
Vested		(813,997)		4.99
Forfeited		(1,166)		10.53
Outstanding at June 30, 2015		6,056,430	$	6.77

Schedule Of Warrants Activity [Table Text Block]

The following table summarizes warrant activity for the six months ended June 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		(2,918,115)		0.34
Expired		(11,364)		2.25
Outstanding at June 30, 2015		1,218,749	$	2.37	$	17,327,944

Schedule Of Share Based Compensation Expense [Table Text Block]

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

	Three months ended June 30, 2015		Six months ended June 30, 2015
Stock-based compensation expense associated with restricted stock	$	6,242,986	$	11,600,014
Stock-based compensation expense associated with option grants		—		—
	$	6,242,986	$	11,600,014