Note 1 - Business Activity and Summary of Significant Accounting Policies - Schedule of Contract Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Customer deposits | $ 270 | $ 1,101 |
| Unearned warranty revenue | 57 | 35 |
| Customer refunds | 277 | 379 |
| Total | $ 604 | $ 1,515 |
| X | ||||||||||
- Definition Amount of obligation classified as customer deposits to transfer good or service to customer for which consideration has been received or is receivable. No definition available.
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| X | ||||||||||
- Definition Amount of obligation classified as unearned revenue to transfer good or service to customer for which consideration has been received or is receivable. No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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