CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,286)	$ (5,475)
Adjustments required to reconcile net loss to net cash used in operating activities:
Share-based compensation	836	816
Depreciation	270	286
Financial income, net (mainly exchange differences)	(198)	(168)
Changes in accrued liability for employee rights upon retirement	75	42
Loss (gain) on amounts funded in respect of employee rights upon retirement	10	(14)
Gain on sale of fixed assets		(51)
Amortization of debt issuance costs and debt discount	75	945
Changes in operating assets and liabilities:
Decrease in contracts liability (including non-current portion)	(2,644)	(3,692)
Increase in accounts receivable and other assets	(2,314)	(2,282)
Changes in right of use assets	(2)	42
Decrease (increase) in inventories	1,360	(833)
Increase (decrease) in accounts payable and accruals	(1,011)	575
Decrease in other long term liabilities		(25)
Net cash used in operating activities	(5,829)	(9,834)
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in bank deposits	(16,000)	(37,835)
Proceeds from sale of short-term deposits		7,500
Purchase of property and equipment	(229)	(386)
Proceeds from sale of property and equipment		53
Decrease in restricted deposit		12
Amounts funded in respect of employee rights upon retirement, net	(28)	(28)
Net cash used in investing activities	(16,257)	(30,684)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment for promissory note		(4,086)
Proceeds from issuance of common stock and warrants, net		37,625
Proceeds from issuance of common stock under the Sales Agreement, net		8,575
Net cash provided by financing activities		42,114
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(11)	(31)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(22,097)	1,565
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	38,985	18,265
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD	16,888	19,830
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	67	202
Right of use assets obtained in exchange for new operating lease liabilities	99	122
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS
Interest paid	1,120
Interest received	$ 36	$ 136