Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Common Share [Abstract]

Computations of basic and diluted earnings per common share

	Three Months Ended June 30,				Six Months Ended June 30,
Basic earnings per common share:	2012		2011		2012		2011
Numerator:
Net earnings	$	1,002	$	710	$	1,294	$	1,082
Denominator:
Weighted-average common shares outstanding		25,257		24,522		25,283		24,391
Basic earnings per common share	$	0.04	$	0.03	$	0.05	$	0.04
	Three Months Ended June 30,				Six Months Ended June 30,
Diluted earnings per common share:	2012		2011		2012		2011
Numerator:
Net earnings	$	1,002	$	710	$	1,294	$	1,082
Denominator:
Weighted-average common shares outstanding		25,257		24,522		25,283		24,391
Incremental shares from stock-based compensation plans		552		427		504		351
Denominator for diluted earnings per common share		25,809		24,949		25,787		24,742
Diluted earnings per common share	$	0.04	$	0.03	$	0.05	$	0.04