Condensed consolidated statements of cash flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (9,210)	$ (8,748)
Adjustments for
Depreciation	161	115
Amortization - intangible assets	1,495	89
Loss on sale of property and equipment	1	243
Loss on other assets	0	5
(Gain) loss on right-of-use assets	0	(533)
Stock-based compensation	4,533	3,065
Non cash portion of rent expense	9	35
Change in non-cash operating working capital
Purchased inventory	(2,572)	(794)
Prepaid expenses and deposits	(410)	437
Trade receivables	(96)	(4)
Other receivables	131	(133)
Accounts payable and accrued liabilities	292	1,847
Accrued income tax	(199)	0
Deferred tax liabilities	(661)	0
Other current liabilities	4	0
Customer contract liabilities	(25)	0
Other liabilities	30	0
Net cash used in operating activities	(6,517)	(4,376)
Cash flows from investing activities:
Investment in debt security (at fair value)	(1,000)	0
Investment in property and equipment	(151)	(43)
Investment in intangibles	0	(99)
Investment in assets in process	(492)	0
Net cash used in investing activities	(1,643)	(142)
Cash flows from financing activities:
Cash proceeds from issuance of common shares and warrants	0	199,525
Cash received from warrant exercises	0	32,112
Cash paid for shares and warrant issuance costs	0	(14,269)
Cash received from stock option exercises	0	1,368
Net cash provided by financing activities	0	218,736
(Decrease) increase in cash and cash equivalents	(8,160)	214,218
Effect of exchange rate changes on cash	(29)	0
Cash and cash equivalents, beginning of year	194,952	61,992
Cash and cash equivalents, end of year	186,763	276,210
Noncash investing and financing activities
Transfer of inventory into property and equipment	557	0
Supplemental cash flow information:
Interest received	$ (384)	$ (112)