Note 7 - Lease Commitments and Contingencies (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Operating Lease, Expense | $ 79,000 | $ 98,000 | $ 238,000 | $ 283,000 |
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 3 years 6 months 7 days | 3 years 6 months 7 days | ||
| Exact Value [Member] | ||||
| Operating Lease, Weighted Average Discount Rate, Percent | 8.42% | 8.42% | ||