Allowance for Doubtful Accounts (Schedule of Changes in Allowance for Doubtful Accounts) (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 541	$ 404
Expenses	136	219
Charge-offs	(91)	(82)
Ending Balance	$ 586	$ 541