LOAN AGREEMENT WITH KREOS AND RELATED WARRANT TO PURCHASE ORDINARY SHARES (Details) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
		Jun. 09, 2017 USD ($) security $ / shares	Dec. 30, 2015 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Proceeds from long term loan						$ 0	$ 12,000
Loss on extinguishment of debt				$ (313)	$ 0	(313)	0
Issuance of ordinary shares in at-the-market offering, net of issuance expenses paid in the amount of 313$	[1]					6,224	$ 691
Term Loan
Line of Credit Facility [Line Items]
Proceeds from long term loan			$ 20,000
Line of credit, outstanding principal		$ 17,200
Outstanding principal amount, portion of principal subject to repayment term		$ 3,000
Outstanding principal amount, extended repayment term		3 years
Number of equity securities debt instrument can be converted into | security		2,365,931
Debt instrument, conversion price (in USD per share) | $ / shares		$ 1.268
Debt instrument, outstanding principal amount not subject to conversion		$ 14,200
Loss on extinguishment of debt						$ 313
Proceeds from issuance of common stock required for repayment period to be extended		20,000
Issuance of ordinary shares in at-the-market offering, net of issuance expenses paid in the amount of 313$		$ 20,000
Outstanding principal, increase to extended repayment term		12 months

[1] (1) See Note 8e to the condensed consolidated financial statements.