Note 10 - Lease Commitments and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Operating cash flows from operating leases | $ 1,123 | $ 1,026 |
| Operating cash flows from finance lease obligations | 9 | 0 |
| Financing cash flows from finance lease obligations | 45 | |
| Financing cash flows from finance lease obligations | 45 | 8 |
| Unrelated Party [Member] | ||
| Operating cash flows from operating leases | 173 | 184 |
| Operating cash flows from finance lease obligations | 9 | 0 |
| Financing cash flows from finance lease obligations | 45 | |
| Financing cash flows from finance lease obligations | 8 | |
| Vitamin Realty LLC [Member] | ||
| Operating cash flows from operating leases | 950 | 842 |
| Operating cash flows from finance lease obligations | 0 | 0 |
| Financing cash flows from finance lease obligations | $ 0 | |
| Financing cash flows from finance lease obligations | $ 0 | |