Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 199,163	$ 142,712
Marketable securities (note 5)	349,723	484,193
Other receivables	1,371	1,469
Prepaid expenses and other current assets	10,392	6,890
Total current assets	560,649	635,264
Marketable securities, long-term (note 5)	37,152	127,496
Operating lease right-of-use asset, net (note 7)	6,626	7,939
Property, plant and equipment, net (note 6)	8,721	10,278
Deferred tax assets (note 14)	12,864	9,666
Prepaid expenses, long-term	7,151	7,496
Total assets	633,163	798,139
Current liabilities:
Accounts payable and accrued liabilities (note 8)	40,260	34,221
Operating lease liability (note 7)	1,532	1,369
Total current liabilities	41,792	35,590
Operating lease liability, long-term (note 7)	6,412	7,646
Other liabilities, long-term	3,199	0
Total liabilities	51,403	43,236
Shareholders’ equity:
Common shares, without par value; unlimited shares authorized; issued and outstanding: 80,010,790 (December 31, 2024 - 76,413,086) (note 9)	1,598,571	1,456,836
Additional paid-in capital	228,234	199,149
Accumulated deficit	(1,245,380)	(899,470)
Accumulated other comprehensive income (loss)	335	(1,612)
Total shareholders' equity	581,760	754,903
Total liabilities and shareholders’ equity	633,163	798,139
Commitments and contingencies (note 12)