Basic and Diluted Net Income (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income available to common shareholders (A)	$ (327)	$ 620	$ (368)	$ (20)
Weighted average common shares outstanding (B)	22,077	20,578	20,651	20,556
Dilutive effect of stock options and warrants		2,063
Weighted average common shares outstanding, assuming dilution (C)	22,077	22,641	20,651	20,556
Basic earnings per common share (A)/(B)	$ (0.01)	$ 0.03	$ (0.02)	$ 0.00
Diluted earnings per common share (A)/(C)	$ (0.01)	$ 0.03	$ (0.02)	$ 0.00