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Note 11 - Income Taxes - Rollforward of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Balance $ 329 $ 0
Additions for tax positions of current period 71 80
Additions for tax positions of prior years 0 249
Decreases for tax positions of prior years 0 0
Balance $ 400 $ 329