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Net Income Per Share
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Net Income Per Share

Note 4. Net Income Per Share

The difference between the basic weighted average shares outstanding and the diluted weighted average shares outstanding for all periods reported are the effect of dilutive stock options calculated using the treasury stock method. The dilutive shares for the three month periods ended March 31, 2014 and 2013 were 306 and 107, respectively. Excluded from the dilutive shares outstanding for the three month period ended March 31, 2014 were 986 of anti-dilutive options which had exercise prices ranging from $8.54 to $19.63. There were 1,425 anti-dilutive options with exercise prices ranging from $8.54 to $14.13 excluded from the dilutive shares outstanding for the three month period ended March 31, 2013.