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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($)
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest | $ (5,790) | $ (765) | $ (3,161) |
Cash Provided by (Used in) Operating Activity, Continuing Operation | (5,151) |  |  |
Retained Earnings (Accumulated Deficit) | (36,069) | (30,700) |  |
Translation Adjustment Functional to Reporting Currency, Net of Tax | $ 0 | 0 |  | $ 0
Foreign Currency Exchange Rate, Translation | 7.8 |  |  |
Asset Impairment Charges | $ 0 | 2,158 | 0 |
Interest Income, Short-Term Investment, Other | 121 | 0 | 0 |
Accounts Receivable, Credit Loss Expense (Reversal) | 0 | 49 | 6 |
Operating Lease, Impairment Loss | 0 | 0 | 0 |
Gain (Loss) on Termination of Lease | (273) | 0 | 0 |
Impairment, Long-Lived Asset, Held-for-Use | $ 0 | 0 | 0 |
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] | Asset Impairment Charges |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $ 0 | 0 | 0 |
Unrecognized Tax Benefits | 0 | 0 |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | $ 0 |  |  |
Number of Operating Segments | 1 |  |  |
Cash and Cash Equivalents [Member] |  |  |  |
Asset Impairment Charges | $ 0 | $ 0 | $ 5,305 |

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