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Net Income Per Share:
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Net Income Per Share [Text Block]
Net Income Per Share:
 
Net income per share is computed by dividing net income by the weighted average number of common shares outstanding. Diluted net income per share is computed by dividing net income by the weighted average number of common shares outstanding plus dilutive securities. Dilutive securities are outstanding common stock options and restricted stock units(excluding stock options with an exercise price in excess of the average market value for the period), less the number of shares that could have been purchased with the proceeds from the exercise of the options, using the treasury stock method. Options that are anti-dilutive because their exercise price exceeded the average market price of the common stock for the period approximated 237,000 for the three months ended March 31, 2014 and 142,000 for the three months ended March 31, 2013, respectively.
 
The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted.
 
 
Three months ended March 31,
 
2014
 
2013
Net income
$
6,657

 
$
8,685

Weighted average number of common shares outstanding (for basic calculation)
15,097

 
14,507

Dilutive securities
298

 
546

Weighted average common and common equivalent shares outstanding (for diluted calculation)
15,395

 
15,053

EPS — basic
$
0.44

 
$
0.60

EPS — diluted
$
0.43

 
$
0.58