Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Dec. 31, 2025	Jun. 30, 2025
Debt Securities, Held-to-Maturity, Fair Value	$ 4,605	$ 5,026
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	350,000	350,000
Preferred Stock, Shares Outstanding (in shares)	0	0
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)	3,193,414	3,193,414
Treasury stock, shares (in shares)	48,639	48,639