CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Revenues		$ 319		$ 634
Operating expenses:
Research and development	$ 3,981	3,530	$ 7,902	7,631
Sales and marketing	130	363	266	951
General and administrative	3,179	1,226	5,202	2,542
Total operating expenses	7,290	5,119	13,370	11,124
Total operating loss	7,290	4,800	13,370	10,490
Financial expenses, net	2,755	3,207	6,914	15,929
Loss before taxes on income	10,045	8,007	20,284	26,419
Taxes on income	25	139	141	287
Net loss	$ 10,070	$ 8,146	$ 20,425	$ 26,706
Net loss per share:
Basic and diluted net loss per Ordinary Share	$ 0.38	$ 0.33	$ 0.77	$ 1.20
Weighted-average number of Ordinary Shares used to compute basic and diluted net loss per share	26,596,407	24,335,774	26,584,628	22,249,391