Note 7 - Stock Options - Changes in Options (Details) |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2025
USD ($)
$ / shares
shares
|
Jun. 30, 2025
USD ($)
$ / shares
shares
|
Dec. 31, 2024
USD ($)
$ / shares
shares
|
Dec. 31, 2023
USD ($)
|
|
| Options outstanding (in shares) | 100,000 | 100,000 | 1,565,000 | |
| Options outstanding, weighted average exercise price (in CAD per share) | $ / shares | $ 0.8 | $ 0.85 | ||
| Options outstanding, aggregate intrinsic value | $ | $ 0 | $ 0 | $ 0 | $ 0 |
| Expired, options (in shares) | (100,000) | (100,000) | (1,465,000) | |
| Expired, weighted average exercise price (in CAD per share) | (per share) | $ 0.8 | $ 0.86 | ||
| Expired, aggregate intrinsic value (in CAD per share) | (per share) | $ 0 | $ 0 | ||
| Options outstanding (in shares) | 0 | 0 | 100,000 | |
| Options outstanding, weighted average exercise price (in CAD per share) | $ / shares | $ 0 | $ 0.8 | ||