Income Taxes - Additional Information (Details) - USD ($)		12 Months Ended
	Dec. 22, 2017	Jun. 30, 2019	Jun. 30, 2018
Income Taxes
Deferred Tax Liabilities, Tax Deferred Income		$ 1,800,000
Taxes Payable		$ 442,000
Deferred Income Tax Liability Payable period		8 years
Unrecognized Tax Benefits, Interest on Income Taxes Accrued			$ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	21.00%	27.60%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount			$ 381,000
Unrecognized Tax Benefits, Period Increase (Decrease)			96,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			125,000
Undistributed Earnings of Foreign Subsidiaries		$ 31,300,000
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount			$ 256,000