Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income taxes
Income tax expense	$ 1,935,000	$ 1,428,000	$ 5,376,000	$ 2,475,000
Interest expense accrued	198,000		198,000
Unrecognized net tax benefits	700,000		700,000
Examination, interest expense			59,000
Income before Provision for Income Taxes	$ 15,131,000	$ 10,977,000	41,660,000	$ 19,037,000
Domestic Tax Authority
Income taxes
Income before Provision for Income Taxes			5,412,000
Foreign tax authority
Income taxes
Income before Provision for Income Taxes			$ 36,248,000