Note 3 - Equity - Share Repurchase Program (Details)	3 Months Ended	29 Months Ended
Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) shares
Total number of shares purchased (in shares) \| shares	7,600	718,394
Average price paid per share (in dollars per share) \| $ / shares	$ 5.43
Amount available for future share repurchases under the plans or programs \| $	$ 12,009,609	$ 12,009,609

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Period Type:	duration