SHAREHOLDERS' EQUITY (DEFICIT) (Details 3) (Stock options, USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended	0 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Jan. 24, 2015	Jun. 18, 2009
Number of options
Options outstanding at beginning of 2015	919,744
Options granted	248,798
Options exercised	(51,716)
Options outstanding at end of quarter	1,116,826	919,744
Options vested and expected to be vested at end of quarter	1,089,656
Exercisable at end of quarter	404,884
Weighted average exercise price per share
Options outstanding at beginning of 2015	$ 3.54
Exercise price, options granted	$ 5.84
Options exercised (in dollars per share)	$ 2.86
Options outstanding at end of quarter	$ 4.06	$ 3.54
Options vested and expected to be vested at end of quarter	$ 4.81
Exercisable at end of quarter	$ 5.47
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted average remaining contractual life, Outstanding	5 years 8 months 19 days	5 years 8 months 1 day
Weighted average remaining contractual life, vested and expected to vest	5 years 9 months 4 days
Weighted average remaining contractual life, exercisable	4 years 8 months 27 days
Aggregate intrinsic value, Outstanding	$ 4,880	$ 2,183
Aggregate intrinsic value, vested and expected to vest	4,806
Aggregate intrinsic value, Outstanding, exercisable	$ 2,005
Weighted average grant date fair value of options granted	$ 2.86
2009 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issue under the plan		978,655		55,971
Vesting period	3 years
Expiration period	7 years
Additional shares authorized			1,072,879
Shares available for future grant	882,597
Number of options
Options granted			248,798
Weighted average exercise price per share
Exercise price, options granted			$ 5.84