STOCK-BASED COMPENSATION (Details 1) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock options
Balance at beginning of period	344,733	366,400
Granted	27,000	13,000
Forfeited	(124,333)	(34,667)
Balance at end of period	247,400	344,733	366,400
Exercisable at end of period	197,733
Weighted average exercise price
Balance at beginning of period	$ 9.35	$ 9.92
Granted	3.68	8.98
Forfeited	9.31	15.21
Balance at end of period	8.75	$ 9.35	$ 9.92
Exercisable at end of period	$ 9.30
Weighted average remaining contractual term
Balance	5 years 10 months 24 days	6 years 6 months	6 years 10 months 24 days
Granted	9 years 2 months 12 days	9 years 3 months 18 days
Forfeited	5 years 10 months 24 days	7 years 10 months 24 days
Exercisable at the end of period	5 years 3 months 18 days
Aggregate intrinsic value
Balance at beginning of period	$ 62,160	$ 62,160
Granted	61,290
Balance at end of period	123,450	$ 62,160	$ 62,160
Exercisable at end of period	$ 62,160