STOCK CAPITAL (Details) - Employee Stock Option [Member]
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 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 [1]
Amount of options, Granted | shares 550,000 [1]
Amount of options, Exercised | shares (33,332) [1]
Amount of options, Cancelled | shares 0 [1]
Amount of options, Outstanding at end of period | shares 1,457,622 [1]
Amount of options, Vested and expected-to-vest at end of period | shares 807,490 [1]
Weighted average exercise price, Outstanding at beginning of period (in dollars per share) | $ / shares $ 2.1258
Weighted average exercise price, Granted (in dollars per share) | $ / shares 4.0900
Weighted average exercise price, Exercised (in dollars per share) | $ / shares 0.7500
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 3.1193
Weighted average exercise price, Vested and expected-to-vest at end of period (in dollars per share) | $ / shares $ 2.3401
Aggregate intrinsic value, Outstanding at end of period (in dollars) | $ $ 1,021,285
Aggregate intrinsic value, Vested and expected-to-vest at end of period (in dollars) | $ $ 1,259,568
[1] Represents Employee Stock Options only (not including RSUs).