XML 48 R23.htm IDEA: XBRL DOCUMENT v3.3.0.814
6. Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2015
Earnings per share:  
Computation of basic and diluted earnings per share

  Three Months Ended   Nine Months Ended 
  September 30,   September 30, 
   2015   2014   2015   2014 
  (In thousands)   (In thousands) 
Weighted average number of common shares outstanding during the period used to compute basic earnings per share  26,093    25,290    25,989    24,895 
   $                
Incremental common shares attributable to exercise of outstanding options and warrants  5,383    6,750    5,807    7,126 
  $                
Weighted average number of common shares used to compute diluted earnings per share  31,476    32,040    31,796    32,021