Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Summaries of weighted average number of shares outstanding

	Three Months Ended September 30		Nine Months Ended September 30
	2012	2011	2012	2011
Weighted average number of shares outstanding:
Common stock	20,074,233	19,973,160	20,030,396	19,862,355
Common stock equivalents-stock options, grants	18,821	20,740	58,695	35,117
Diluted shares outstanding	20,093,054	19,993,900	20,089,091	19,897,472