CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2010	$ 84	$ 1,543	$ 30,242	$ 92,458	$ (1,814)	$ 122,513
Comprehensive loss:
Net loss	0	0	0	(1,316)	0	(1,316)
Unrealized gains on available-for-sale securities, net of taxes	0	0	0	0	444	444
Unrealized gains (losses) on cash flow hedging activities, net of taxes	0	0	0	0	(202)	(202)
Total comprehensive loss						(1,074)
Shares issued for employee stock-based awards	1	0	(1)	0	0	0
Stock-based compensation	0	0	93	0	0	93
Cash dividends paid	0	0	0	(591)	0	(591)
Balances at Jun. 30, 2011	85	1,543	30,334	90,551	(1,572)	120,941
Balances at Dec. 31, 2011	85	0	32,052	90,801	(1,689)	121,249
Comprehensive loss:
Net loss	0	0	0	(2,743)	0	(2,743)
Unrealized gains on available-for-sale securities, net of taxes	0	0	0	0	546	546
Unrealized gains (losses) on cash flow hedging activities, net of taxes	0	0	0	0	465	465
Total comprehensive loss						(1,732)
Stock-based compensation	0	0	35	0	0	35
Cash dividends paid	0	0	0	(85)	0	(85)
Balances at Jun. 30, 2012	$ 85	$ 0	$ 32,087	$ 87,973	$ (678)	$ 119,467