Note 13 - Employee Retirement Programs (Details Textual) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 100.00% | ||
| Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage | 100.00% | ||
| Defined Contribution Plan, Employers Matching Contribution, Vesting Period | 3 years | ||
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 1.7 | $ 2.3 | $ 2.3 |