Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Income Tax Holiday [Line Items]
Effective tax rate percentage	17.90%	21.70%	(10.70%)
Reduction in income tax expense due to tax holiday	$ 5,400,000	$ 3,400,000	$ 2,700,000
Reduction in income tax expense due to tax holiday (in dollars per share)	$ 0.18	$ 0.18	$ 0.15
Valuation allowance	$ 1,127,000	$ 1,463,000
Unrecognized tax benefits that would impact tax rate	0	0	$ 0
Interest expense or penalties related to unrecognized tax benefits	0	0	$ 0
Accrued interest or penalties related to unrecognized tax benefits	0	0
Reserve related to assessment	200,000
State
Income Tax Holiday [Line Items]
Operating loss carryforwards	12,400,000	15,100,000
Canadian subsidiary | Foreign Tax Authority
Income Tax Holiday [Line Items]
Operating loss carryforwards	2,100,000	2,100,000
UK and European subsidiaries | Foreign Tax Authority
Income Tax Holiday [Line Items]
Operating loss carryforwards	$ 2,200,000	$ 3,400,000
Nicaragua
Income Tax Holiday [Line Items]
Extension period of tax holiday	10 years