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Income Taxes - Reconciliation of Income Tax Expense at the Statutory Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Taxes Paid, Net [Abstract]
Computed at the statutory rate	$ 1,550	$ 1,236
Increase (decrease) resulting from
Tax exempt interest	(8)	(16)
Cash surrender value of life insurance	(87)	(57)
State income taxes	540	441
Other	39	35
Income tax expense	$ 2,034	$ 1,639
Tax rate as a percentage of pre-tax income	27.60%	27.90%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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