Income Taxes - Additional Information (Details) - USD ($)		12 Months Ended
	Dec. 22, 2017	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Taxes [Line Items]
Taxes Payable		$ 338,000
Deferred Income Tax Liability Payable period		8 years
Unrecognized Tax Benefits, Interest on Income Taxes Accrued		$ 83,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount				$ 381,000
Unrecognized Tax Benefits, Period Increase (Decrease)		$ 824,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		866,000
Undistributed Earnings of Foreign Subsidiaries		42,500,000
Withholding taxes on undistributed earnings		408,000
Income Tax Expense (Benefit)		2,284,000	$ 1,222,000
Provision for tax, federal		1,715,000	310,000
Provision for tax, state		404,000	$ 141,000
Provision for incremental Income tax liability		657,000
Provision for income tax interest		66,000
IRS
Income Taxes [Line Items]
Provision for tax, federal		762,000
Provision for tax, state		$ 70,000