CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ 40,233	$ 15,204
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	93	76
Changes in marketable securities and bank deposits, net	(153)	(264)
Changes in accrued liability for employee severance benefits, net of retirement fund profit	(13)	30
Stock-based compensation	1,759	950
Non-cash finance expenses(income), net	(347)	23
Changes in operating asset and liabilities, net of effects of businesses acquired:
Increase in trade receivables, prepaid and other assets	(9,297)	(300)
increase in other non-current assets	(3,027)	(4)
Increase (decrease) in accounts payable and accruals	856	(1,949)
Increase in inventory	(1,849)
Net cash used in operating activities	(52,211)	(16,642)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of fixed assets	(42)	(138)
Investment in bank deposits		(8,000)
Cash acquired through merger	38,641
Proceeds from sale and maturity of marketable securities and bank deposits	27,381	15,877
Net cash provided by investing activities	65,980	7,739
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds related to issuance of stock for stock-based compensation arrangements, net	140	16
Net cash provided by financing activities	140	16
INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	13,909	(8,887)
EFFECT OF EXCHANGE RATE ON CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(37)	13
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF THE PERIOD	44,584	28,118
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF THE PERIOD	$ 58,456	$ 19,244

Amount of noncash increase (decrease) in employee severance benefit liability net of profit from retirement fund.

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