Note 10 - Compensatory Equity Incentive Plan and Other Equity Incentives - Stock-based Compensation Expense (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Expense | $ 2,861,795 | $ 1,043,464 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Share-Based Payment Arrangement, Expense | 1,248,186 | 67,486 |
| Restricted Stock [Member] | ||
| Share-Based Payment Arrangement, Expense | 389,389 | 439,667 |
| Restricted Stock Units (RSUs) [Member] | ||
| Share-Based Payment Arrangement, Expense | $ 1,224,220 | $ 536,311 |