Interim Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss for the period	$ (23,042)	$ (12,499)
Adjustments:
Depreciation and amortization	4,622	3,402
Stock-based compensation, net of settlements	1,302	1,094
Foreign exchange loss	651	172
Accretion of convertible debentures	165	53
Deferred tax expense		39
Changes in operating assets and liabilities:
Trade and other receivables	(4,966)	(243)
Inventory	(3,443)	197
Prepaid and other assets, current and long term	(108)	(948)
Accounts payable and accrued liabilities	2,460	(5,934)
Other liabilities		507
Customer deposits and deferred revenue	3,332	1,607
Current portion of long-term debt and accrued interest	(56)	320
Lease liabilities	41	139
Net cash flows used in operating activities	(19,042)	(12,094)
Cash flows from investing activities:
Purchase of property, plant and equipment, net of accounts payable changes	(963)	(2,908)
Capitalized software development expenditures	(483)	(705)
Other asset expenditures	(174)
Recovery of software development expenditures		24
Net cash flows used in investing activities	(1,620)	(3,589)
Cash flows from financing activities:
Proceeds received on long-term debt		29,545
Repayment of long-term debt	(618)	(208)
Employee tax payments on vesting of RSUs	(209)
Net cash flows (used in) provided by financing activities	(827)	29,337
Effect of foreign exchange on cash, cash equivalents and restricted cash	166	303
Net (decrease) increase in cash, cash equivalents and restricted cash	(21,323)	13,957
Cash, cash equivalents and restricted cash, beginning of period	63,408	45,846
Cash, cash equivalents and restricted cash, end of period	42,085	59,803
Supplemental disclosure of cash flow information:
Interest paid	(1,152)	$ (62)
Income taxes received	$ 25