Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Income Taxes
Income tax (deficit) benefit recognized from non-qualified equity compensation	$ 8,000	$ 147,000
Net tax loss carryforwards, federal	0	0
Retained earnings	9,000,000	9,000,000
Federal income tax	291,000	478,000
Penalties and interest charges	0	0
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender	$ 3,100,000	$ 3,100,000

Amount of bad debt reserves for tax purposes of qualified lenders excluded in calculating deferred taxes.

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to bad debt reserve for tax purposes of a qualified lender.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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