Consolidated Statements of Shareholder's Equity - USD ($) $ in Thousands	Preferred A Shares [Member]		Common Stock [Member]	[2]	Additional Paid-in Capital [Member]		Treasury Shares [Member]	[3]	Accumulated Deficit [Member]	Total		Temporary Equity [Member]	[4]
Balance at Dec. 31, 2016		[1]	$ 18		$ 14,713				$ (13,035)	$ 1,696		$ 500
Balance, shares at Dec. 31, 2016	9,736		1,788,884	[4]
Issuance of common stock			$ 3		12,699					12,702
Issuance of common stock, shares			299,815
Share-based compensation				[1]	479					479
Share-based compensation, shares			8,085
Exercise of options				[1]		[1]
Exercise of options, shares			31,787
Cashless exercise of warrants				[1]							[1]
Cashless exercise of warrants, shares			24
Extinguishment of convertible notes and issuance of preferred A shares		[1]			2,676					2,676
Extinguishment of convertible notes and issuance of preferred A shares, shares	3,255
Conversion of preferred A shares to common stock		[1]	$ 6		(6)
Conversion of preferred A shares to common stock, shares	(8,990)		605,705
Rescission of share purchase agreement
Net loss									(7,589)	(7,589)
Balance at Dec. 31, 2017		[1]	$ 27		30,561				(20,624)	9,964		500
Balance, shares at Dec. 31, 2017	4,001		2,734,300
Share-based compensation					1,399					1,399
Share-based compensation, shares
Exercise of options				[1]		[1]
Exercise of options, shares			2,487
Conversion of preferred A shares to common stock		[1]	$ 3		(3)
Conversion of preferred A shares to common stock, shares	(4,001)		268,818
Common shares classified out of temporary equity					500					500		(500)
Shares issued as consideration-vendor			$ 1		73					74
Shares issued as consideration-vendor, shares			6,738
Rescission of share purchase agreement							(3,375)			(3,375)
Net loss									(7,240)	(7,240)
Balance at Dec. 31, 2018		[1]	$ 31		$ 32,530		$ (3,375)		$ (27,864)	$ 1,322
Balance, shares at Dec. 31, 2018			3,012,343	[4]

[1] Less than 1

[2] December 31, 2016 and 2017 share data represent the number of shares adjusted to retroactively reflect the 1:15 reverse stock split effected on September 4, 2018. Refer to Note 1 for further information.

[3] Refer to Note 8 for further information

[4] Includes 721,107 common stock classified as temporary equity as of December 31, 2017.