Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Series A Preferred Stock		Common Stock		Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit	Total
Balance at Dec. 31, 2017			$ 4		$ 23,397	$ (47)	$ (26,452)	$ (3,098)
Balance, Shares at Dec. 31, 2017			4,350,608
Cumulative effect adjustment from transition to ASU 2016-01						(26)	26
Issuance of shares with respect to exercise of PIPE Warrants and right for future investment (Note 11d)			$ 1		1,144			1,145
Issuance of shares with respect to exercise of PIPE Warrants and right for future investment (Note 11d), shares			788,658
Issuance of units consisting of Common Stock, Series A Preferred Stock and detachable warrants net of issuance costs	$ 1		$ 3		3,911			3,915
Issuance of units consisting of Common Stock, Series A Preferred Stock and detachable warrants net of issuance costs, Shares	1,350		3,100,000
Conversion of Preferred stock into Common Stock (Note 11o and 11l)		[1]		[1]					[1]
Conversion of Preferred stock into Common Stock (Note 11o and 11l), Shares	(440)		440,000
Amount allocated to the repurchase of beneficial conversion feature in convertible loans					(1,918)			(1,918)
Amount allocated to the right for future investment - 2016 Loan upon 2018 Loan Amendment					952			952
Amount allocated to the right for future investment - 2017 Loan upon 2018 Loan Amendment					1,444			1,444
Deemed dividends with respect to the repurchase of right for future investment							(292)	(292)
Stock-based compensation			$ 1		1,342			1,343
Stock-based compensation, Shares			278,284
Net loss							(3,279)	(3,279)
Balance at Dec. 31, 2018	$ 1		$ 9		30,272	(73)	(29,997)	212
Balance, Shares at Dec. 31, 2018	910		8,957,550
Amounts allocated to repurchase of existing right for future investment related to the 2016 Loan and the 2017 Loan (See Note 8)					(633)			(633)
Amounts that were allocated to recognition of the right for future investment and warrants - 2016 Loan (See Note 8)					637			637
Amounts that were allocated to recognition of the right for future investment and warrants - 2017 Loan (See Note 8)					962			962
Issuance of Common Stock and warrants for cash (Note 11u)			$ 2		548			550
Issuance of Common Stock and warrants for cash (Note 11u), Shares			2,037,037
Issuance of Common Stock and warrants due to 2016 Loan and 2017 Loan repayment (Note 11t)			$ 3		991			994
Issuance of Common Stock and warrants due to 2016 Loan and 2017 Loan repayment (Note 11t), Shares			2,816,196
Conversion of Preferred stock into Common Stock (Note 11o and 11l)	$ (1)		$ 1
Conversion of Preferred stock into Common Stock (Note 11o and 11l), Shares	(732)		732,000
Terms modification and cancellation of existing financial instruments due to 2016 and 2017 loan repayment (Note 8e)					(135)			(135)
Issuance of Common Stock (Note 11k)			$ 1		764			765
Issuance of Common Stock (Note 11k), Shares			900,000
Deemed dividend due to exercise price adjustment of warrants as a result of certain down-round anti-dilution protection or price protection features included in the warrants (Note 11h)					267		(267)
Deemed dividends with respect to the repurchase of right for future investment							(185)	(185)
Stock-based compensation					818			818
Stock-based compensation, Shares			430,345
Net loss							(3,450)	(3,450)
Balance at Dec. 31, 2019		[1]	$ 16		$ 34,491	$ (73)	$ (33,899)	$ 535
Balance, Shares at Dec. 31, 2019	178		15,873,128

[1] Representing amount less than $1