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Note 12 - Bank Loans Payable - Bank Loans (Details) (Parentheticals) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Jun. 30, 2024
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | Prime Rate [Member] | Prime Rate [Member]
Notes Payable To Banks 1 [Member] |  |
Carrying value | $ 2,237 | $ 2.208
Effective rate | 4.85% | 4.85%
Basis spread rate | 2.00% | 2.00%
Notes Payable To Banks 2 [Member] |  |
Fixed Interest Rate | 3.20% | 3.20%
Notes Payable to Bank 3 [Member] |  |
Fixed Interest Rate | 3.00% | 3.00%
Notes Payable to Bank 4 [Member] |  |
Fixed Interest Rate | 3.00% | 3.00%

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