Note 9 - Asset Retirement Obligations (Details Textual) $ in Thousands |
Dec. 31, 2025
CAD ($)
|
Dec. 31, 2024 |
|---|---|---|
| Statement Line Items [Line Items] | ||
| Estimated cost of closure | $ 3,381 | |
| Surety bond as financial assurance | $ 3,450 | |
| Asset retirement obligation [member] | Discount rate, measurement input [member] | ||
| Statement Line Items [Line Items] | ||
| Significant unobservable input, liabilities | 2,289,000 | 2,842,000 |
| Asset retirement obligation [member] | Interest rate, measurement input [member] | ||
| Statement Line Items [Line Items] | ||
| Significant unobservable input, liabilities | 0.0384 | 0.0333 |
| Asset retirement obligation [member] | Long-term inflation rate, measurement input [member] | ||
| Statement Line Items [Line Items] | ||
| Significant unobservable input, liabilities | 0.03 | 0.03 |