CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (5,475)	$ 1,667
Adjustments required to reconcile net income (loss) to net cash used in operating activities:
Share-based compensation	816	431
Depreciation	286	376
Financial income, net (mainly exchange differences)	(168)	(241)
Changes in accrued liability for employee rights upon retirement	42	44
Loss (gain) on amounts funded in respect of employee rights upon retirement	(14)	59
Gain on sale of fixed assets	(51)
Amortization of debt issuance costs and debt discount	945	820
Changes in operating assets and liabilities:
Decrease in contracts liability (including non-current portion)	(3,692)	(7,171)
Increase in accounts receivable and other assets	(2,282)	(4,091)
Changes in right of use assets	42	10
Increase in inventories	(833)	(1,333)
Increase in accounts payable and accruals	575	2,611
Decrease in other long term liabilities	(25)	(299)
Net cash used in operating activities	(9,834)	(7,117)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of bank deposits	(37,835)	(35,000)
Proceeds from sale of short-term deposits	7,500
Purchase of property and equipment	(386)	(66)
Proceeds from sale of property and equipment	53
Decrease in restricted deposit	12	22
Amounts funded in respect of employee rights upon retirement, net	(28)	(35)
Net cash used in investing activities	(30,684)	(35,079)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net payment for promissory note	(4,086)
Proceeds from issuance of common stock and warrants, net	37,625	38,607
Proceeds from issuance of common stock under the Sales Agreement, net	8,575
Net cash provided by financing activities	42,114	38,607
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(31)	(37)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,565	(3,626)
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	18,265	17,792
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD	19,830	14,166
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	202	147
Right of use assets obtained in exchange for new operating lease liabilities	122	233
Note receivable from issuance of common stock and warrants, net of issuance cost		$ 2,736
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS
Interest received	$ 136