Summary of Significant Accounting Policies and Nature of Business - Schedule Of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Net Income (Loss)	$ (265)	$ 33
Weighted average number of common shares outstanding used to calculate basic earnings per common share	6,267,146	6,291,529
Weighted average number of common shares outstanding used to calculate diluted earnings per common share	6,267,146	6,291,529
Earnings (loss) per common share , basic	$ (0.04)	$ 0.01
Earnings (loss) per common share, Diluted	$ (0.04)	$ 0.01
Employee Stock Ownership Plan (ESOP) [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Net Income (Loss)	$ (265)	$ 33
Weighted average number of common shares outstanding	6,574,761	6,631,443
Less: Average unallocated ESOP shares	(225,388)	(235,611)
Less: Average non-vested restricted shares	(82,226)	(104,303)
Weighted average number of common shares outstanding used to calculate basic earnings per common share	6,267,146	6,291,529
Dilutive effect of share-based compensation	0	0
Weighted average number of common shares outstanding used to calculate diluted earnings per common share	6,267,146	6,291,529
Earnings (loss) per common share , basic	$ (0.04)	$ 0.01
Earnings (loss) per common share, Diluted	$ (0.04)	$ 0.01

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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