Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Held-to-maturity securities, fair value	$ 7,264	$ 8,352
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	350,000	350,000
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	8,500,000	8,500,000
Common stock, shares issued (in shares)	3,126,874	3,124,053
Treasury stock, shares (in shares)	75,382	95,953

Face amount per share of no-par value common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

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