Note 8 - Income Taxes (Details Textual)	3 Months Ended
Sep. 30, 2022 USD ($)
Accrued Income Taxes, Total	$ 1,457,000
Unrecognized Tax Benefits, Ending Balance	0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 0
Open Tax Year	2018 2019 2020 2021 2022

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of unrecognized tax benefits.

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Amount of interest expense accrued for an underpayment of income taxes.

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