Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenues	$ 877	$ 1,770	$ 2,458	$ 3,349
Cost of revenues	442	1,003	1,097	1,900
Gross profit	435	767	1,361	1,449
Operating expenses:
Research and development, net	1,860	1,897	3,274	4,048
Sales and marketing	1,531	1,925	3,118	4,261
General and administrative	1,279	2,221	2,779	4,258
Total operating expenses	4,670	6,043	9,171	12,567
Operating loss	(4,235)	(5,276)	(7,810)	(11,118)
Financial expenses, net	353	522	771	1,007
Loss before income taxes	(4,588)	(5,798)	(8,581)	(12,125)
Income taxes (tax benefit)	(1)	(1)	6	(1)
Net loss	$ (4,587)	$ (5,797)	$ (8,587)	$ (12,124)
Net loss per ordinary share, basic and diluted	$ (0.88)	$ (4.42)	$ (2.03)	$ (9.65)
Weighted average number of shares used in computing net loss per ordinary share, basic and diluted	5,213,446	1,310,870	4,236,788	1,256,514