Significant Accounting Policies - Earnings per Common Share (Details) - USD ($)	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Basis of Presentation
Net income (loss) applicable to common stock	$ (186,994)	$ 1,672,070
Average number of shares outstanding	2,119,189	2,189,017
Less: Average unallocated ESOP shares	76,909	80,405
Average number of common shares outstanding used to calculate basic earnings per share	2,042,280	2,108,612
Effect of dilutive restricted stock awards		3,897
Average number of common shares outstanding used to calculate diluted earnings per share	2,042,280	2,112,509
Earnings (loss) per common share:
Basic	$ (0.09)	$ 0.79
Diluted	$ (0.09)	$ 0.79

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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