CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows From Operating Activities:
Net income (loss)	$ 4,670	$ (20,550)
Adjustments required to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	44	27
Changes in accrued liability for employee severance benefits, net of retirement fund profit	10	(108)
Stock-based compensation	893	2,442
Non-cash finance income, net	0	(66)
Gain on the disposition of the MST Franchise	(13,005)	0
Changes in operating assets and liabilities:
Decrease in trade receivables	7,048	5,064
Decrease (increase) in inventory	97	(688)
Decrease in prepaid expenses and other assets and operating lease right of use asset	100	719
Decrease in other non-current assets	0	404
(Decrease) increase in trade payables, accrued expenses and liability for employee related obligations	(9,600)	205
Decrease in operating lease liabilities	(232)	0
Net cash used in operating activities	(9,975)	(12,551)
Cash Flows From Investing Activities:
Net proceeds from the sale of the MST Franchise	16,688	0
Net cash provided by investing activities	16,688	0
Cash Flows From Financing Activities:
Proceeds related to issuance of common shares through offerings, net of issuance costs	1,557	73,127
(Payments) proceeds related to issuance of stock for stock-based compensation arrangements, net	(25)	376
Net cash provided by financing activities	1,532	73,503
Increase in cash, cash equivalents and restricted cash	8,245	60,952
Effect of exchange rate on cash, cash equivalents and restricted cash	0	1
Cash, cash equivalents and restricted cash at beginning of the period	42,855	58,418
Cash, cash equivalents and restricted cash at end of the period	51,100	119,371
Cash and cash equivalents	50,495	118,516
Restricted cash	605	855
Total cash, cash equivalents and restricted cash shown in statement of cash flows	51,100	119,371
Supplemental disclosure of cash flow information:
Amount due from sale of MST Franchise	5,000	0
Interest paid	$ 0	$ 963