Financial instruments - Contractually obligated cash flow requirements (Details) $ in Thousands	Aug. 31, 2024 USD ($)
Total	$ 586
Contractual Obligation, to be Paid, Remainder of Fiscal Year	441
1 - 2 Years	102
2 - 5 Years	43
Thereafter	0
Accounts payable and accrued liabilities
Total	391
Contractual Obligation, to be Paid, Remainder of Fiscal Year	391
1 - 2 Years	0
2 - 5 Years	0
Thereafter	0
Office lease
Total	195
Contractual Obligation, to be Paid, Remainder of Fiscal Year	50
1 - 2 Years	102
2 - 5 Years	43
Thereafter	$ 0