CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (INCOME) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (INCOME)
Revenues	$ 322	$ 276	$ 957	$ 745
Operating expenses:
Research and development	3,772	6,044	11,403	16,312
Sales and marketing	342	435	1,293	1,258
General and administrative	1,287	1,487	3,829	4,167
Total operating expenses	5,401	7,966	16,525	21,737
Total operating loss	5,079	7,690	15,568	20,992
Financial expenses (income), net	(14,170)	2,260	1,760	2,177
Loss (income) before taxes on income	(9,091)	9,950	17,328	23,169
Taxes on income (tax benefit)	(329)	56	(42)	268
Net loss (income)	$ (9,420)	$ 10,006	$ 17,286	$ 23,437
Net income (loss) per share:
Basic net income (loss) per Ordinary Share	$ 0.35	$ (0.57)	$ (0.73)	$ (1.57)
Weighted-average number of Ordinary Shares used to compute basic net income (loss) per share	26,556,052	17,646,450	23,700,720	14,949,237
Diluted net loss per Ordinary Share	$ (0.016)	$ (0.57)	$ (0.73)	$ (1.57)
Weighted-average number of Ordinary Shares used to compute diluted net loss per share	28,237,834	17,646,450	23,700,720	14,949,237