STOCK CAPITAL (Details) - Employee Stock Option [Member] $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount of options, Outstanding at beginning of period | shares	940,954
Amount of options, Granted | shares	0
Amount of options, Exercised | shares	(33,332)
Amount of options, Cancelled | shares	0
Amount of options, Outstanding at end of period | shares	907,622
Amount of options, Vested and expected-to-vest at end of period | shares	797,824
Weighted average exercise price, Outstanding at beginning of period (in dollars per share) | $ / shares	$ 2.4681
Weighted average exercise price, Granted (in dollars per share) | $ / shares	0
Weighted average exercise price, Exercised (in dollars per share) | $ / shares	0.75
Weighted Average exercise Price, Cancelled (in dollars per share) | $ / shares	0
Weighted average exercise price, Outstanding at end of period (in dollars per share) | $ / shares	2.5312
Weighted average exercise price, Vested and expected-to-vest at end of period (in dollars per share) | $ / shares	$ 2.3594
Aggregate intrinsic value, Outstanding at end of period (in dollars) | $	$ 1,242,396
Aggregate intrinsic value, Vested and expected-to-vest at end of period (in dollars) | $	$ 1,229,120