Income Taxes Textuals (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
CARES Act Tax Benefit	$ 1,000,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	28.06%	35.00%
Tax Cuts and Jobs Act - Re-measurement of deferred tax		$ 5,802
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 29,584,000	27,024,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	1,177,000	2,098,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	2,124,000
Undistributed Earnings Of Foreign Subsidiaries On Which No Provision Has Been Made For Income Taxes	114,070,000
Income Tax Examination, Penalties and Interest Expense	256,000	161,000
Income Tax Examination, Penalties and Interest Accrued	1,094,000	838,000
Unrecognized income tax benefits that would affect the effective income tax rate	$ 4,708,000	$ 4,701,000