LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

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

Such excluded shares are summarized as follows:

	Year Ended December 31,
	2015		2014
Common stock options		4,988,988		5,346,854
Restricted stock units (unvested)		-		160,702
Common shares issuable upon conversion of Series C Preferred Stock (not including dividends)		-		1,165,351
Common shares issuable upon conversion of Series D Preferred Stock (not including dividends and conversion premium paid in common stock)		3,852,000		-
Warrants		10,464,138		8,926,385
Total shares excluded from calculation		19,305,126		15,599,292