CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - UNAUDITED (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2010	$ 8,398	$ 88,132	$ 10,506	$ (1,896)	$ 0	$ 105,140
Balance (in shares) at Dec. 31, 2010	8,398,015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)			(1,676)	90		(1,586)
Stock-based compensation expense		147				147
Common stock issued, net of costs	1,389	14,145				15,534
Common stock issued, net of costs (in shares)	1,388,893
Balance at Mar. 31, 2011	9,787	102,424	8,830	(1,806)	0	119,235
Balance (in shares) at Mar. 31, 2011	9,786,908
Balance at Dec. 31, 2011	11,395	122,602	14,496	(245)	(500)	147,748
Balance (in shares) at Dec. 31, 2011	11,347,683					11,347,683
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)			3,112	(80)		3,032
Stock-based compensation expense		528				528
Balance at Mar. 31, 2012	$ 11,395	$ 123,130	$ 17,608	$ (325)	$ (500)	$ 151,308
Balance (in shares) at Mar. 31, 2012	11,347,683					11,395,302