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Net Income Per Share:
 9 Months Ended
Sep. 30, 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 211,000 for the three months ended September 30, 2014. There were no anti-dilutive options for the three months ended September 30, 2013. Options that are anti-dilutive because their exercise price exceeded the average market price of the common stock for the period approximated 235,000 and 8,000 for nine months ended September 30, 2014 and September 30, 2013, respectively.
 
The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted.
 
 
Three months ended September 30,
 
Nine months ended September 30,
 
2014
 
2013
 
2014
 
2013
Net income
$
6,428

 
$
11,034

 
$
18,963

 
$
27,086

Weighted average number of common shares outstanding (for basic calculation)
15,319

 
14,684

 
15,220

 
14,603

Dilutive securities
169

 
640

 
277

 
536

Weighted average common and common equivalent shares outstanding (for diluted calculation)
15,488

 
15,324

 
15,497

 
15,139

EPS — basic
$
0.42

 
$
0.75

 
$
1.25

 
$
1.85

EPS — diluted
$
0.42

 
$
0.72

 
$
1.22

 
$
1.79