Note 14 - Bank Loans Payable - Bank Loans (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Notes Payable To Banks 1 [Member]
Debt Instrument, Basis Spread on Variable Rate	4.85%	4.60%
Property, Plant and Equipment, Net	$ 2,149	$ 2,208
Notes Payable To Banks 1 [Member] | Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	2.00%	2.00%
Notes Payable To Banks 2 [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.20%	3.20%
Notes Payable to Bank 3 [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.00%	3.00%
Notes Payable to Bank 4 [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.00%	3.00%