Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended			6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2019
Summary Of Significant Accounting Policies [Line Items]
Total Comprehensive Income	$ 1,293,000	$ 1,240,000		$ 1,061,000	$ 1,797,000
Net change in net cash provided by operating activities due to revision		0			0
Net Income	751,000	1,609,000	$ 428,000	1,377,000	2,563,000	$ 2,048,000
Accumulated other comprehensive loss	(3,395,000)	2,862,000		(3,395,000)	2,862,000		$ (3,079,000)
Retained earnings	$ (2,798,000)	5,179,000		$ (2,798,000)	5,179,000		$ (4,175,000)
As Previously Reported [Member]
Summary Of Significant Accounting Policies [Line Items]
Total Comprehensive Income		1,178,000			1,673,000
Net Income		1,547,000	$ 366,000		2,439,000	$ 1,924,000
Accumulated other comprehensive loss		2,864,000			2,864,000
Retained earnings		$ 3,978,000			$ 3,978,000