v2.4.0.6
Earnings per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Numbers of Shares Used to Compute Basic and Diluted Earnings Per Share
 Three Months
Ended
September 30
  Nine Months
Ended
September 30
 
  2012  2011  2012  2011 
Weighted average shares outstanding  7,465,926   7,432,995   7,459,988   7,432,762 
Dilutive effects of assumed exercises of stock options, restricted stock units and warrants  88,133   55,748   77,415   41,332 
Shares used to compute diluted earnings per share  7,554,059   7,488,743   7,537,403   7,474,094