Note 9 - Long-term Investments 2 (Details Textual) |
Jun. 30, 2026
USD ($)
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| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | |
| Long-Term Investments | $ 5,166,000 |
| X | ||||||||||
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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