NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table sets forth the number of potential common shares excluded from the calculation of net loss per diluted share for the years ended December 31, 2014 and 2013:

	Year Ended December 31,
	2014	2013
Options to purchase common stock	3,675,634	2,282,719
Warrants to purchase common stock	6,033,426	4,751,550
Restricted stock units	-	-
Total	9,709,060	7,034,269