Note 12 - Bank Loans Payable - Bank Loans (Details) (Parentheticals) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Mar. 31, 2023	Jun. 30, 2022
Notes Payable To Banks 1 [Member]
Basis spread rate	4.60%	3.791%
Carrying value	$ 2,355	$ 2,372
Notes Payable To Banks 1 [Member] \| Prime Rate [Member]
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%

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 360
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
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