Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 13,059	$ 12,645
Short-term bank deposits	24,012
Accounts receivable:
Trade, net	971	476
Other	141	146
Prepaid expenses	773	334
Inventory	1,135	1,415
Receivable for sale of shares		323
TOTAL CURRENT ASSETS	40,091	15,339
NON-CURRENT ASSETS:
Property, plant and equipment, net	563	448
Operating lease right of use assets	1,166	1,265
Fund in respect of employee rights upon retirement	786	725
TOTAL NON-CURRENT ASSETS	2,515	2,438
TOTAL ASSETS	42,606	17,777
Accounts payable and accruals:
Trade	556	236
Other	3,164	3,469
TOTAL CURRENT LIABILITIES	3,720	3,705
LONG-TERM LIABILITIES-
Operating lease liabilities	831	999
Liability for employees’ rights upon retirement	992	910
TOTAL LONG-TERM LIABILITIES	1,823	1,909
TOTAL LIABILITIES	5,543	5,614
EQUITY:
Common stock, par value $0.0001 per share; 150,000,000 shares authorized at September 30, 2021 and December 31, 2020; 7,900,311 and 3,284,322 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	1
Additional paid-in capital	216,059	180,339
Accumulated deficit	(178,997)	(168,176)
Total equity	37,063	12,163
Total liabilities and equity	42,606	$ 17,777
Series B Preferred Stock [Member]
EQUITY:
Preferred Stock, value