Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2014	10,459,924
Balance at Jun. 30, 2014	$ 105	$ 3,372	$ 179,844	$ 424	$ 183,745
Net Earnings			9,055		9,055
Other comprehensive income (loss)				(193)	$ (193)
Shares issued – stock options exercised (in shares)
Stock based compensation expense		4			$ 4
Dividends paid			(4,393)		(4,393)
Balance (in shares) at Jun. 30, 2015	10,459,924
Balance at Jun. 30, 2015	$ 105	3,376	184,506	231	188,218
Net Earnings			8,648		8,648
Other comprehensive income (loss)				1,114	$ 1,114
Shares issued – stock options exercised (in shares)					0
Stock based compensation expense		5			$ 5
Stock repurchased (in shares)	(180,117)
Stock repurchased	$ (2)	(1,141)	(1,217)		(2,360)
Dividends paid			(4,603)		(4,603)
Balance (in shares) at Jun. 30, 2016	10,279,807
Balance at Jun. 30, 2016	$ 103	2,240	187,334	1,345	191,022
Net Earnings			11,123		11,123
Other comprehensive income (loss)				(1,351)	$ (1,351)
Shares issued – stock options exercised (in shares)	4,000				(4,000)
Shares issued – stock options exercised		64			$ 64
Stock based compensation expense		5			5
Dividends paid			(4,729)		(4,729)
Balance (in shares) at Jun. 30, 2017	10,283,807
Balance at Jun. 30, 2017	$ 103	$ 2,309	$ 193,728	$ (6)	$ 196,134