Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Jun. 30, 2011	$ 431	$ 11,001	$ 37,336	$ 519	$ (1,206)	$ 48,081
Options exercised		22			33	55
Stock options compensation		19				19
Dividends declared			(645)			(645)
Net income			3,004			3,004
Total other comprehensive income, net of taxes				107		107
Balance at Dec. 31, 2011	431	11,042	39,695	626	(1,173)	50,621
Balance at Jun. 30, 2012	431	11,119	41,869	173	(928)	52,664
Options exercised		15			23	38
Dividends declared			(1,469)			(1,469)
Net income			3,433			3,433
Total other comprehensive income, net of taxes				(39)		(39)
Balance at Dec. 31, 2012	$ 431	$ 11,134	$ 43,833	$ 134	$ (905)	$ 54,627