Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2019
Summary Of Significant Accounting Policies [Line Items]
Total Comprehensive Income (Loss)	$ (4,153,000)	$ (1,095,000)		$ (3,092,000)	$ 702,000
Net change in net cash provided by operating activities due to revision		0			0
Net (Loss) Income	(3,936,000)	(1,002,000)	$ 1,083,000	(2,559,000)	1,561,000	$ 3,131,000
Accumulated other comprehensive loss	(3,612,000)	2,957,000		(3,612,000)	2,957,000		$ (3,079,000)
Retained earnings	$ (6,734,000)	4,177,000		$ (6,734,000)	4,177,000		$ (4,175,000)
As Previously Reported [Member]
Summary Of Significant Accounting Policies [Line Items]
Total Comprehensive Income (Loss)		(1,158,000)			515,000
Net (Loss) Income		(1,065,000)	$ 1,020,000		1,374,000	$ 2,944,000
Accumulated other comprehensive loss		2,957,000			2,957,000
Retained earnings		$ 2,913,000			$ 2,913,000