Interim Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss for the period	$ (19,288)	$ (9,738)	$ (42,330)	$ (22,237)
Adjustments:
Depreciation and amortization	3,344	3,421	7,966	6,823
Stock-based compensation, net of settlements	406	1,649	1,708	2,743
Foreign exchange gain (loss)	(1,433)	68	(782)	240
Accretion of convertible debentures	177	94	342	147
Gain on disposal of equipment	(165)		(165)
Deferred tax expense		10		49
Changes in operating assets and liabilities:
Trade and other receivables	2,824	(2,588)	(2,142)	(2,831)
Inventory	(3,661)	(697)	(7,104)	(500)
Prepaid and other assets, current and long term	(1,059)	770	(1,167)	(178)
Accounts payable and accrued liabilities	713	4,759	3,173	(1,257)
Other liabilities	(39)	1,260	(39)	1,767
Customer deposits and deferred revenue	387	(290)	3,719	1,317
Current portion of long-term debt and accrued interest	(86)	604	(142)	1,006
Lease liabilities	80	764	121	903
Net cash flows (used in) provided by operating activities	(17,800)	86	(36,842)	(12,008)
Cash flows from investing activities:
Purchase of property, plant and equipment, net of accounts payable changes	(924)	(5,799)	(1,887)	(8,707)
Capitalized software development expenditures	(418)	(631)	(901)	(1,336)
Other asset expenditures	(107)		(281)
Proceeds on sales of equipment	73		73
Recovery of software development expenditures	45		45	24
Net cash flows used in investing activities	(1,331)	(6,430)	(2,951)	(10,019)
Cash flows from financing activities:
Proceeds received on long-term debt	647	8,407	647	37,952
Repayment of long-term debt	(618)	(552)	(1,236)	(760)
Employee tax payments on vesting of RSUs	(92)	(589)	(301)	(589)
Net cash flows (used in) provided by financing activities	(63)	7,266	(890)	36,603
Effect of foreign exchange on cash, cash equivalents and restricted cash	54	408	220	711
Net (decrease) increase in cash, cash equivalents and restricted cash	(19,140)	1,330	(40,463)	15,287
Cash, cash equivalents and restricted cash, beginning of period	42,085	59,803	63,408	45,846
Cash, cash equivalents and restricted cash, end of period	22,945	61,133	22,945	61,133
Supplemental disclosure of cash flow information:
Interest paid	(1,179)	(67)	(2,331)	(129)
Income taxes (paid) received	$ 3,182	$ (48)	$ 3,207	$ (48)