Note 10 - Leases (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Variable Lease, Cost | $ 0 | |
| Operating Lease, Right-of-Use Asset | 131,000 | $ 198,000 |
| Operating Lease, Liability | $ 133,000 | $ 198,000 |
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 2 years | 2 years 10 months 24 days |
| Operating Lease, Weighted Average Discount Rate, Percent | 6.50% | 6.40% |
| Operating Lease, Payments | $ 76,000 | $ 81,000 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent |
| Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Other Accrued Liabilities, Current | Other Accrued Liabilities, Current |
| Office and Warehouse Space [Member] | Minimum [Member] | ||
| Operating Lease, Monthly Payments | $ 1,000 | |
| Office and Warehouse Space [Member] | Maximum [Member] | ||
| Operating Lease, Monthly Payments | $ 6,000 | |
| X | ||||||||||
- Definition Represents the amount of monthly payments made for operating leases. No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes operating lease right-of-use asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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