INCOME TAXES - Tax Loss Carry Forwards and Other Tax Pools (Detail) $ in Thousands, $ in Thousands	Dec. 31, 2023 CAD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)
Tax Credit Carryforward, Amount	$ 122,447	$ 61,095	$ 121,511	$ 65,419
Non-capital loss carry-forwards [Member]
Tax Credit Carryforward, Amount	114,119	55,469	106,730	55,654
Undepreciated Capital Costs [Member]
Tax Credit Carryforward, Amount	3,903	$ 5,626	9,207	$ 9,765
Share Issuance Costs [Member]
Tax Credit Carryforward, Amount	2,454		3,603
Scientific research and experimental development tax incentives [Member]
Tax Credit Carryforward, Amount	$ 1,971		$ 1,971