Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Jun. 30, 2017	$ 21,693	$ 4,581	$ 13,103	$ 4,336	$ (327)
Beginning Balance,Shares at Jun. 30, 2017		9,163
Net loss	(1,593)	$ 0	0	(1,593)	0
Minimum pension liability adjustment, net of tax	150	0	0	0	150
Share-based compensation	8	$ 0	8	0	0
Share-based compensation, shares		0
Shares repurchased	(3,072)	$ (908)	(2,164)	0	0
Shares repurchased, shares		(1,816)
Ending Balance at Jun. 30, 2018	$ 17,186	$ 3,673	10,947	2,743	(177)
Ending Balance, Shares at Jun. 30, 2018	7,347,000	7,347
Net loss	$ (1,754)	$ 0	0	(1,754)	0
Minimum pension liability adjustment, net of tax	(7)	0	0	0	(7)
Adoption of ASU 2018-02	0	0	0	69	(69)
Share-based compensation	1	$ 0	1	0	0
Share-based compensation, shares		0
Shares repurchased	$ (383)	$ (180)	(203)	0	0
Shares repurchased, shares	(359,959)	(360)
Ending Balance at Jun. 30, 2019	$ 15,043	$ 3,493	$ 10,745	$ 1,058	$ (253)
Ending Balance, Shares at Jun. 30, 2019	6,987,000	6,987