Note 11 - Earnings (Loss) Per Share - Securities Excluded from Earnings per Share (Details) - shares |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive securities (in shares) | 6,438,647 | 4,350,639 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive securities (in shares) | 3,405,985 | 523,809 |
| Restricted Stock Awards and Restricted Stock Units [Member] | ||
| Antidilutive securities (in shares) | 1,256,174 | 1,243,331 |
| Series G Convertible Preferred Stock and Warrants [Member] | ||
| Antidilutive securities (in shares) | 1,776,488 | 2,583,499 |