Annual report pursuant to section 13 and 15(d)

NET INCOME PER COMMON SHARE (Tables)

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NET INCOME PER COMMON SHARE (Tables)
12 Months Ended
Dec. 31, 2013
NET INCOME PER COMMON SHARE [Abstract]  
Net Income Per Common Share
   
Year ended December 31,
 
   
2013
   
2012
   
2011
 
   
(thousands of dollars)
 
                   
Net income
  $ 19,498     $ 10,321     $ 13,884  
                         
Basic earnings per common share:
                       
    Weighted average shares outstanding
    24,115       24,081       23,993  
                         
    Per share amount (dollars)
  $ 0.81     $ 0.43     $ 0.58  
Diluted earnings per common share:
                       
    Weighted average shares outstanding
    24,745       24,745       24,267  
                         
    Per share amount (dollars)
  $ 0.79     $ 0.42     $ 0.57  

Weighted average shares-denominator basic computation
    24,115       24,081       23,993  
Effect of dilutive stock options
    630       664       274  
Weighted average shares, as adjusted denominator diluted computation
    24,745       24,745       24,267