Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Income taxes
Tax benefit	$ 624,000	$ 425,000	$ 1,422,000	$ 1,225,000
Unrecognized Tax Benefits, Period Increase (Decrease)			425,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	81,000		81,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	443,000		443,000
Additional interest expense accrued	$ 19,000		$ 19,000
Year under examination			2017
Subsequent tax payments			$ 68,000
Income tax examination
Income taxes
Provision for tax, federal					$ 762,000
Provision for tax, state					$ 70,000
Payments for taxes and interest			399,000
Payments for taxes			$ 97,000