Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Jun. 30, 2015	$ 431	$ 11,220	$ 56,696	$ (798)	$ (629)	$ 66,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Options exercised		10			16	26
Dividends declared			(355)			(355)
Net income			2,150			2,150
Other comprehensive income, net of taxes				40		40
Balance at Sep. 30, 2015	431	11,230	58,491	(758)	(613)	68,781
Balance at Jun. 30, 2016	861	10,872	63,805	(725)	(512)	74,301
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Options exercised		30			45	75
Tax benefit of stock based compensation		41				41
Dividends declared			(369)			(369)
Net income			2,507			2,507
Other comprehensive income, net of taxes				(141)		(141)
Balance at Sep. 30, 2016	$ 861	$ 10,943	$ 65,943	$ (866)	$ (467)	$ 76,414