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Earnings per share
6 Months Ended
Jun. 30, 2014
Earnings per share [Abstract]  
Earnings per share
3.  Earnings per share

Basic net income per share was computed on the weighted average number of shares outstanding.  Diluted net income per share was computed under the treasury stock method, assuming the conversion as of the beginning of the period, for all dilutive stock options.  Of 694 thousand and 809 thousand shares and options outstanding at June 30, 2014 and 2013, respectively, zero and 345 thousand were anti-dilutive, respectively.  These options have been excluded from the computations of diluted earnings per share for their respective period.  There were no adjustments to net income for either period.