Note 13 - Concentrations of Credit Risk (Details Textual) - Customer Concentration Risk [Member] Pure in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Revenue Benchmark [Member] | ||
| Number of Customers | 0 | 0 |
| Accounts Receivable [Member] | ||
| Number of Customers | 0 | |