SELECTED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Financial expenses:
Interest expense and bank fees	$ 9	$ 13
Foreign currency translation adjustments	15
Reevaluation of fair value of warrants to purchase Ordinary Shares	12,715
Total financial expenses	12,739	13
Financial income:
Interest income	(18)	(30)
Foreign currency translation adjustments		52
Total financial income	(18)	(82)
Total financial income, net	12,721	(69)
Numerator:
Net loss available to shareholders of Ordinary shares	$ 18,559	$ 6,274
Denominator:
Weighted average number of Ordinary Shares used in computing basic and diluted net loss per share	20,139,826	13,585,810