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Share Capital (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands														1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 25, 2020	Feb. 25, 2020	Dec. 30, 2019	Dec. 27, 2019	Dec. 25, 2019	Oct. 23, 2019	Aug. 12, 2019	Jan. 23, 2019	Jan. 21, 2019	Jan. 15, 2019	Jan. 14, 2019	May 24, 2018	Apr. 10, 2018	Dec. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Common stock, shares issued														7,185,628	7,103,260		7,185,628
Common stock, shares outstanding														7,185,628	7,103,260		7,185,628
Number of stock options granted															166,666		48,893
Weighted-average exercise price per share, granted															$ 9.64		$ 6.20
Stock-based employee compensation															$ 343	$ 315
Number of option exercised															965
Aggregate intrinsic value of outstanding options															$ 456	761
Aggregate intrinsic value of exercisable options															446	761
Share Incentive Plan [Member]
Unrecognized compensation costs, net of expected forfeitures															$ 2,267
Unrecognized compensation weighted average period															1 year 1 month 9 days
General and Administrative Expense [Member]
Stock-based employee compensation															$ 7	0
CardioSert Ltd [Member]
Number of common shares acquired												6,738	6,738
CardioSert Ltd [Member] | Research and Development Expense [Member]
Acquisition price of assets												$ 74
Investors [Member] | Securities Purchase Agreement [Member]
Number of common stock shares sold during the period			900,901	952,383	912,858			250,000		590,000	330,000
Common stock price per share			$ 11.10	$ 10.50	$ 10.50			$ 9.875		$ 10.00	$ 6.50
Warrant to purchase for common stock								250,000
Warrant price per share								$ .125
Proceeds from issuance and sale of stock			$ 10,000	$ 10,000	$ 9,585			$ 2,500		$ 5,900
Placement agent fee and expenses			$ 1,010	$ 1,010	$ 1,090			370		$ 720
Warrants value								$ 2,019
Warrants term								1 year
Underwriter [Member] | Securities Purchase Agreement [Member]
Warrant to purchase for common stock			45,045	47,619	45,643			12,500		29,500	22,767
Warrant price per share			$ 13.875	$ 13.125	$ 13.125			$ 12.50		$ 12.50	$ 8.125
Warrants term			3 years 6 months	3 years 6 months	3 years 6 months			1 year		3 years 6 months	3 years 6 months
Proceeds from issuance of warrants			$ 343	$ 366	$ 371			$ 99		$ 221	$ 165
Board of Directors [Member]
Weighted-average exercise price per share, granted									$ 8.60
Stock option vested term									3 years
Board of Directors [Member]
Weighted-average exercise price per share, granted						$ 5.06
Stock option vested term						3 years
Board of Directors [Member] | General and Administrative Expense [Member]
Stock-based employee compensation															7	24
Employees [Member]
Weighted-average exercise price per share, granted							$ 5.95
Stock option vested term							3 years
Employees [Member] | General and Administrative Expense [Member]
Stock-based employee compensation															11	0
Mr. Harel Gadot [Member]
Number of stock options granted		166,666
Weighted-average exercise price per share, granted		$ 9.64
Stock option vested term		1 year
Mr. Harel Gadot [Member] | General and Administrative Expense [Member]
Stock-based employee compensation															$ 144	$ 0
Pre-Funded Warrant [Member] | Investors [Member] | Securities Purchase Agreement [Member]
Warrant to purchase for common stock											125,323
Warrant price per share											$ 6.49
Proceeds from issuance and sale of stock											$ 3,000
Placement agent fee and expenses											$ 688
Common Stock [Member]
Number of option exercised															965
Shares of common stock																1,295,323
Common Stock [Member] | Board of Directors [Member]
Number of stock options granted									11,630
Common Stock [Member] | Board of Directors [Member]
Number of stock options granted						19,760
Common Stock [Member] | Employees [Member]
Number of stock options granted							17,503
Common Stock [Member] | Mr. Harel Gadot [Member]
Number of stock options granted	166,666
Before Reverse Split [Member] | CardioSert Ltd [Member]
Number of common shares acquired												100,000	100,000
Warrant One [Member]
Warrant price per share														$ 10.00			$ 10.00
Warrant outstanding														125,000			125,000
Shares of common stock														61,677
Warrant Two [Member]
Warrant price per share														$ 10.00			$ 10.00
Warrant outstanding														125,000			125,000
Shares of common stock														50,143

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