Condensed consolidated statements of cash flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (14,206)	$ (15,093)
Adjustments for
Depreciation	270	175
Amortization - intangible assets	2,540	136
Loss on disposal of property and equipment	1	248
Loss on other assets		5
(Gain) loss on right-of-use assets		(533)
Stock-based compensation	6,452	4,503
Non cash portion of rent expense	9	36
Accretion/amortization of available-for-sale securities	(400)
Change in non-cash operating working capital, net of acquisitions
Purchased inventory	(3,637)	(1,875)
Prepaid expenses and deposits	(1,330)	(61)
Trade receivables	(442)	(7)
Other receivables	69	(123)
Accounts payable and accrued liabilities	3,020	3,216
Accrued income tax	(199)
Deferred tax liabilities	(1,319)
Other current liabilities	(204)
Customer contract liabilities	81
Other liabilities	8
Net cash used in operating activities	(9,287)	(9,373)
Cash flows from investing activities:
Investment in securities	(113,225)
Investment in debt security (at fair value)	(1,000)
Investment in property and equipment	(583)	(97)
Acquisition of intangibles	(143)	(246)
Investment in construction in progress	(1,274)
Investment in assets purchased (Assisi and Revo)	(24,304)
Net cash used in investing activities	(140,529)	(343)
Cash flows from financing activities:
Cash proceeds from issuance of common shares and warrants		199,525
Cash received from warrant exercises	8	32,112
Cash paid for shares and warrant issuance costs		(14,269)
Cash received from stock option exercises		1,768
Net cash provided by financing activities	8	219,136
(Decrease) increase in cash and cash equivalents	(149,808)	209,420
Effect of exchange rate changes on cash	(49)
Cash and cash equivalents, beginning of year	194,952	61,992
Cash and cash equivalents, end of year	45,095	271,412
Noncash activities:
Accounts receivable recorded in intercompany account		(1)
Change in fair value of available-for-sale securities, net of tax	(803)
Deferred financing fees charged to stock issuance costs		12
Net equity effect of preferred share exchange		(11,961)
Transfer of construction in progress into property and equipment and intangibles	2,419
Transfer of inventory into property and equipment	4,291	452
Supplemental cash flow information:
Interest received	$ 406	$ 229