Note 5 - Capital Shares - Vested Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member] |
Jun. 30, 2026
shares
|
|---|---|
| Fully-vested RSUs, number (in shares) | 278,832 |
| Fully-vested RSUs, exercisable (in shares) | 278,832 |
| RSUs, vesting in the next 12 months, number (in shares) | 342,289 |
| RSUs, vesting in the next 12 months, exercisable (in shares) | 228,289 |
| RSUs, vesting from 13-24 months, number (in shares) | 375,921 |
| RSUs, vesting from 13-24 months, exercisable (in shares) | 239,770 |
| RSUs, vesting after 24 months, number (in shares) | 881,159 |
| RSUs, vesting after 24 months, exercisable (in shares) | 134,866 |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Number | 1,878,201 |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Exercisable, Number | 881,757 |