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v3.23.2

Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Cash, Uninsured Amount | $ 2.3 | $ 2.7
Depreciation | $ 4.9 | 5.3
Standard Warranty Extended Term for Exceptions | 10 years |
Defined Contribution Plan, Cost | $ 2.5 | 2.9
Research and Development Expense | $ 3.4 | $ 3.6
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares | 2,156,000 | 1,375,000
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax | $ 0.3 |
Other Expense [Member] |  |
Gain (Loss), Foreign Currency Transaction, before Tax |  | $ 0.1
Maximum [Member] |  |
Finite-Lived Intangible Asset, Useful Life | 20 years |
Standard Warranty Term | 5 years |
Minimum [Member] |  |
Finite-Lived Intangible Asset, Useful Life | 5 years |
Standard Warranty Term | 1 year |
Leasehold Improvements [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 15 years |

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