Annual report [Section 13 and 15(d), not S-K Item 405]

Income Tax - Reconciliation of Income Tax Attributable to Operations (Detail)

v3.25.0.1
Income Tax - Reconciliation of Income Tax Attributable to Operations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]      
Income tax recovery at statutory rates (at a rate of 21% for all years presented) $ (8,364) $ (6,261) $ (8,894)
Expenses not deducted for tax purposes 906 477 299
Effect of tax rate changes on deferred tax assets and liabilities   (169) (18)
Rate differential on foreign earnings (14) (36) (26)
Research and development tax credits (1,085) (883) (1,154)
Change in valuation allowance 8,669 7,686 10,464
Reassessment of previously recognized net operating losses     9
Adjustment to prior year research and development tax credits   (760) (731)
Other $ (112) $ (54) $ 51