CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Ordinary Shares	Additional Paid-in Capital	Treasury Shares	Accumulated deficit	Total
Balance at Dec. 31, 2021	$ 4,661	$ 278,903	$ 0	$ (194,181)	$ 89,383
Balance, shares at Dec. 31, 2021	62,480,163
Treasury shares at cost	$ (13)	0	(170)	0	(183)
Treasury shares at cost, Shares	(184,629)
Share-based compensation to employees and non-employees	$ 0	646	0	0	646
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees	$ 30	(30)	0	0	0
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees, Shares	421,782
Net loss	$ 0	0	0	(14,256)	(14,256)
Balance at Sep. 30, 2022	$ 4,678	279,519	(170)	(208,437)	75,590
Balance, shares at Sep. 30, 2022	62,717,316
Balance at Jun. 30, 2022	$ 4,675	279,215	0	(202,977)	80,913
Balance, shares at Jun. 30, 2022	62,678,308
Treasury shares at cost	$ (13)	0	(170)		(183)
Treasury shares at cost, Shares	(184,629)
Share-based compensation to employees and non-employees	$ 0	320	0	0	320
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees	$ 16	(16)	0	0	0
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees, Shares	223,637
Net loss	$ 0	0	0	(5,460)	(5,460)
Balance at Sep. 30, 2022	$ 4,678	279,519	(170)	(208,437)	75,590
Balance, shares at Sep. 30, 2022	62,717,316
Balance at Dec. 31, 2022	$ 4,489	279,857	(2,431)	(213,750)	68,165
Balance, shares at Dec. 31, 2022	60,090,298
Treasury shares at cost	$ (78)	0	(772)	0	(850)
Treasury shares at cost, Shares	(1,089,399)
Share-based compensation to employees and non-employees	$ 0	955	0	0	955
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees	$ 70	(70)	0	0	0
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees, Shares	1,023,618
Net loss	$ 0	0	0	(16,494)	(16,494)
Balance at Sep. 30, 2023	$ 4,481	280,742	(3,203)	(230,244)	51,776
Balance, shares at Sep. 30, 2023	60,024,517
Balance at Jun. 30, 2023	$ 4,435	280,455	(3,203)	(222,713)	58,974
Balance, shares at Jun. 30, 2023	59,346,139
Share-based compensation to employees and non-employees	$ 0	333	0	0	333
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees	$ 46	(46)	0	0	0
Issuance of ordinary shares upon vesting of RSUs by employees and non-employees, Shares	678,378
Net loss	$ 0	0	0	(7,531)	(7,531)
Balance at Sep. 30, 2023	$ 4,481	$ 280,742	$ (3,203)	$ (230,244)	$ 51,776
Balance, shares at Sep. 30, 2023	60,024,517