SHAREHOLDERS' EQUITY (DEFICIT) - OPTIONS ROLLFORWARD (Details) - Amended and Restated 2009 Stock Incentive Plan - Stock options, employees and directors - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Number of options
Options outstanding at beginning of 2015	919,744
Options granted (in shares)	463,811
Options expired	(77,291)
Options forfeited	(56,366)
Options outstanding at end of year	1,249,898	919,744
Options vested and expected to be vested at end of year	1,241,716
Options vested at end of year	517,153
Weighted average exercise price per share
Options outstanding at beginning of 2015 (in dollars per share)	$ 3.54
Options granted (in dollars per share)	5.74
Options expired (in dollars per share)	2.29
Options forfeited (in dollars per share)	2.57
Options outstanding at end of year ( in dollars per share)	4.39	$ 3.54
Options vested and expected to be vested at end of year (in dollars per share)	4.39
Options vested at end of year (in dollars per share)	$ 2.57
Weighted average remaining contractual term
Weighted average remaining contractual life, Outstanding	5 years 9 months 11 days	5 years 8 months 1 day
Weighted average remaining contractual life, Vested and expected to be vested	5 years 9 months 4 days
Weighted average remaining contractual life, Vested	4 years 1 month 17 days
Aggregate intrinsic value
Aggregate intrinsic value, Outstanding at the beginning of the period	$ 2,180
Aggregate intrinsic value, Outstanding at the end of the period	8,990	$ 2,180
Aggregate intrinsic value, Vested and expected to be vested	8,840
Aggregate intrinsic value, Vested	$ 8,840