STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2013

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, 2013:

	Number  of shares	Weighted-  average   exercise price		Weighted-  average   Contractual  Term	Aggregate  Intrinsic  Value
				(in years)
Outstanding at December 31, 2012	46,904	$	61.08	9.44	$	—
Granted	—		—
Exercised	—		—
Forfeited	(313)		2,249.85
Expired	—		—
Outstanding at September 30, 2013	46,591	$	46.37	8.75	$	29,440
Vested and expected to vest at September 30, 2013	9,591	$	208.30	8.41	$	5,760
Exercisable at September 30, 2013	9,591	$	208.30	8.41	$	5,760

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

The following table summarizes restricted share activity for the nine months ended September 30, 2013: 

	Number of Shares	Weighted   Average   Grant Date   Fair Value
Outstanding at December 31, 2012	6,614,243	$	4.49
Granted	149,044		6.04
Vested	(398,750)		2.55
Forfeited	—		—
Outstanding at September 30, 2013	6,364,537	$	4.65

Schedule Of Warrants Activity [Table Text Block]

The following table summarizes warrant activity for the nine months ended September 30, 2013:  

	Warrants		Weighted-  Average  exercise  price		Aggregate  Intrinsic  Value
Outstanding at December 31, 2012	6,781,007	$	1.58	$	14,563,539
Issued	—		—
Exercised	(890,644)		2.25
Expired	(53)		562.50
Outstanding at September 30, 2013	5,890,310	$	1.47	$	21,799,376

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 nine months ended September 30, 2013:  

	Three months ended  September 30, 2013		Nine months ended  September 30, 2013
Stock-based compensation expense associated with restricted stock	$	996,755	$	4,199,595
Stock-based compensation expense associated with option grants		-		56,405
	$	996,755	$	4,256,000