Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (8,636)	$ (9,435)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,101	1,304
Stock-based compensation	443	508
Provision for bad debt	1,004	1,106	$ (263)
Provision for inventory obsolescence	135	252
Finance expenses and accretion	79	489
Deferred tax expense (recovery)	45	(317)
Loss on disposal of property and equipment	0	13
Changes in operating assets and liabilities:
Accounts receivable short and long-term	(3,199)	2,448
Inventories	(911)	(478)
Prepaid expenses	291	109
Advances to suppliers	(1,370)	(1,417)
Other current assets	(381)	1,255
Trade payables	(125)	(178)
Accrued expenses and other current liabilities	(1,128)	(3,554)
Severance pay funds	(67)	5
Unearned interest income	70	(249)
Other long-term liabilities	225	(81)
Net cash used in operating activities	(12,424)	(8,220)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(157)	(53)
Net cash used in investing activities	(157)	(53)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercises of 2020 December Public Offering Warrants	0	903
Payment of earn-out liability	0	(147)
Repayment of government assistance loans	(407)	0
Proceeds from exercise of options	23	212
Net cash (used in) provided by financing activities	(384)	968
NET DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(12,965)	(7,305)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH — Beginning of period	30,876	34,380	34,380
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH — End of period	17,911	27,075	$ 30,876
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes	99	73
Cash paid for interest	$ 844	$ 1,731