Consolidated Statements Of Changes In Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning Balance at Dec. 31, 2010	$ 338	$ 1,541	$ 6,565	$ 1,691	$ 10,135
Beginning Balance, Shares at Dec. 31, 2010	3,381,999
Exercise of stock options	1	10			11
Exercise of stock options, shares	4,500
Unrealized gains on investments, net of taxes				218	218
Stock issued through the employee stock purchase plan	0	10			10
Stock issued through the employee stock purchase plan, shares	3,078
Dividend on common stock			(543)		(543)
Net income			548		548
Ending Balance at Dec. 31, 2011	339	1,561	6,570	1,909	10,379
Ending Balance, Shares at Dec. 31, 2011	3,389,577
Unrealized gains on investments, net of taxes				313	313
Stock issued through the employee stock purchase plan	0	8			8
Stock issued through the employee stock purchase plan, shares	2,335
Stock option expense		6			6
Dividend on common stock			(543)		(543)
Net income			1,086		1,086
Ending Balance at Dec. 31, 2012	$ 339	$ 1,575	$ 7,113	$ 2,222	$ 11,249
Ending Balance, Shares at Dec. 31, 2012	3,391,912