CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, 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	(1,222)	0	(1,222)
Unrealized gains on available-for-sale securities, net of taxes	0	0	0	0	664	664
Unrealized gains (losses) on cash flow hedging activities, net of taxes	0	0	0	0	(490)	(490)
Total comprehensive loss						(1,048)
Shares issued for employee stock-based awards	1	0	(1)	0	0	0
Stock-based compensation	0	0	197	0	0	197
Cash dividends paid	0	0	0	(676)	0	(676)
Balances at Sep. 30, 2011	85	1,543	30,438	90,560	(1,640)	120,986
Balances at Dec. 31, 2011	85	0	32,052	90,801	(1,689)	121,249
Comprehensive loss:
Net loss	0	0	0	(4,564)	0	(4,564)
Unrealized gains on available-for-sale securities, net of taxes	0	0	0	0	744	744
Unrealized gains (losses) on cash flow hedging activities, net of taxes	0	0	0	0	751	751
Total comprehensive loss						(3,069)
Stock-based compensation	0	0	68	0	0	68
Cash dividends paid	0	0	0	(85)	0	(85)
Balances at Sep. 30, 2012	$ 85	$ 0	$ 32,120	$ 86,152	$ (194)	$ 118,163