Income Taxes (Narrative) (Details) - USD ($)	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Gross tax contingency reserve	$ 747,000	$ 802,000	$ 858,000
Accrued tax liabilities included in the gross tax contingency reserve	200,000
Accrued interest and penalties included in the gross tax contingency reserve	473,000	484,000
Gross tax contingency reserve, classified as current liabilities	0
Gross tax contingency reserve, classified as noncurrent liabilities	747,000	802,000
Federal [Member]
Income Tax Authority [Line Items]
Prepaid income taxes	100,000	800,000
State and Local Jurisdiction
Income Tax Authority [Line Items]
Prepaid income taxes	$ 600,000
Accrued income taxes		$ 300,000

Income Tax Authority [Line Items]

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The portion of the gross tax contingency reserve related to tax liabilities accrued as of the balance sheet date. This balance excludes accrued penalties and interest.

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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Amount recognized for uncertainty in income taxes classified as current.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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