STOCK-BASED COMPENSATION (Details)	6 Months Ended
	Jun. 30, 2016 $ / shares shares
Number of options, outstanding
Outstanding, beginning of period (in shares) | shares	3,131
Granted | shares	626
Outstanding, end of period (in shares) | shares	3,757
Weighted average exercise price
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 3.38
Granted (in dollars per share) | $ / shares	1.74
Outstanding, end of period (in dollars per share) | $ / shares	$ 3.09