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Note 12 - Bank Loans Payable - Bank Loans (Details) (Parentheticals) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021
Carrying value	$ 9,333,000	$ 9,531,000
Notes Payable To Banks 1 [Member]
Carrying value	$ 2,590	$ 2,597
Notes Payable To Banks 1 [Member] | Prime Rate [Member] | Minimum [Member]
Basis spread rate	2.00%	2.00%
Notes Payable To Banks 1 [Member] | Prime Rate [Member] | Maximum [Member]
Basis spread rate	3.60%	3.60%
Notes Payable To Banks 2 [Member]
Fixed Interest rate	3.20%	3.20%

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