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Note 7 - Property and Equipment - Property and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Jun. 30, 2021
Gross property and equipment $ 5,593 $ 5,477
Accumulated depreciation (4,223) (4,101)
Net property and equipment 1,370 1,376
Land and Building [Member]    
Gross property and equipment 4,606 4,606
Furniture and Fixtures [Member]    
Gross property and equipment $ 987 $ 871