Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Holiday [Line Items]
Reduction in income tax expense due to tax holiday	$ 3,400,000	$ 2,700,000	$ 800,000
Reduction in income tax expense due to tax holiday (in dollars per share)	$ 0.18	$ 0.15	$ 0.04
Valuation allowance	$ 1,463,000	$ 2,942,000
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
U.S. Federal
Income Tax Holiday [Line Items]
Operating loss carryforwards	0	18,900,000
State
Income Tax Holiday [Line Items]
Operating loss carryforwards	15,100,000	32,200,000
Canadian subsidiary | Foreign Tax Authority
Income Tax Holiday [Line Items]
Operating loss carryforwards	2,100,000	2,200,000
UK and European subsidiaries | Foreign Tax Authority
Income Tax Holiday [Line Items]
Operating loss carryforwards	$ 3,400,000	$ 6,500,000
Nicaragua
Income Tax Holiday [Line Items]
Extension period of tax holiday	10 years