LOAN AGREEMENT WITH KREOS AND RELATED WARRANT TO PURCHASE ORDINARY SHARES (Details)				3 Months Ended		9 Months Ended
		Jun. 09, 2017 USD ($) shares $ / shares	Dec. 30, 2015 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Proceeds from long term loan						$ 0	$ 12,000,000
Loss on extinguishment of debt				$ 0	$ 0	(313,000)	0
Issuance of ordinary shares in at-the-market offering, net of issuance expenses	[1]					9,060,000	$ 4,110,000
Term Loan
Line of Credit Facility [Line Items]
Proceeds from long term loan			$ 20,000,000.0
Line of credit, outstanding principal		$ 17,200,000
Outstanding principal amount, portion of principal subject to extended repayment term		$ 3,000,000.0
Outstanding principal amount, extended repayment term		36 months
Number of equity securities debt instrument can be converted into (in shares) | shares		2,523,660
Debt instrument, conversion price (in USD per share) | $ / shares		$ 1.268
Debt instrument, reduction in principal at conversion		$ 3,000,000
Debt instrument, outstanding principal amount not subject to conversion		14,200,000
Debt instrument, end of loan payment		$ 200,000
Number of equity securities debt instrument can be converted into (in shares) | shares		157,729
Loss on extinguishment of debt						$ 313,000
Proceeds from issuance of common stock required for repayment period to be extended		$ 20,000,000.0
Issuance of ordinary shares in at-the-market offering, net of issuance expenses		$ 20,000,000
Outstanding principal, increase to extended repayment term		12 months

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