Reconciliation of Net Income Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliation of Net Income Per Share [Abstract]

Summary of Reconciliation of Net Income (Loss) Per Share

	Year ended December 31,
	2012		2011		2010
Net income	$	24,268	$	20,937	$	6,416
Weighted average shares outstanding		17,009		16,817		16,455
Effective of dilutive stock options		105		136		115
Diluted shares outstanding		17,114		16,953		16,570
Basic net income per share	$	1.43	$	1.24	$	0.39
Diluted net income per share	$	1.42	$	1.24	$	0.39