INCOME TAXES - Reconciliation of Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Net income (loss) before tax	$ (14,252)	$ (54,942)	$ (53,872)
Canadian statutory rate	24.60%	24.40%	23.30%
Expected income tax	$ (3,506)	$ (13,406)	$ (12,552)
Effect on taxes resulting from:
Valuation allowance	4,224	13,590	12,046
Non-deductible expenses	189	422	542
Non-deductible stock-based compensation	0	23	189
Tax rate impacts	(243)	(665)	(488)
Adjustments related to prior year tax filings	(332)	57	59
Income tax expense (recovery)	332	21	(204)
Current tax expense	332	21	210
Deferred income tax expense	0	0	(414)
Income tax expense (recovery)	$ 332	$ 21	$ (204)