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Note 5 - Leases (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2022
Lease, Cost, Total | $ 33,000 | $ 49,000 | $ 56,000 | $ 88,000 |
Operating Lease, Lease Income, Total | 31,000 | 29,000 | 65,000 | 55,000 |
Other Assets [Member] |  |  |  |  |
Lessor, Cost, Contracts Asset | 6,000 |  | 6,000 |  | $ 9,000
Continuing Operations [Member] |  |  |  |  |
Lease, Cost, Total | $ 32,000 | $ 49,000 | $ 54,000 | $ 88,000 |

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