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EARNINGS PER SHARE COMPUTATIONS
6 Months Ended
Jul. 31, 2012
EARNINGS PER SHARE COMPUTATIONS [Abstract]  
EARNINGS PER SHARE COMPUTATIONS
NOTE 3 - EARNINGS PER SHARE COMPUTATIONS
 
Basic earnings per share is based on the weighted average number of common shares outstanding.  Diluted earnings per share is based on the weighted average number of common shares outstanding and potentially dilutive shares. The dilutive effect of employee and non-employee director stock options and awards of restricted stock units are included in the computation of diluted earnings per share. The dilutive effect of stock options is calculated using the treasury stock method and expected proceeds upon exercise of the stock options. The following table summarizes the shares used in computing basic and diluted net income per common share:

   
Six Months Ended
July 31,
 
Three Months Ended
July 31,
   
2012
 
2011
 
2012
 
2011
Numerator:
             
 
Net income
$2,878,697
 
$2,902,741
 
$1,619,999
 
$1,490,234
Denominator:
             
 
Weighted average common shares outstanding during
   the period for basic computation
14,681,423
 
14,659,331
 
14,679,746
 
14,659,281
 
Dilutive effect of stock-based compensation plans
54,730
 
165,349
 
59,802
 
173,958
 
Weighted average common shares outstanding during
   the period for diluted computation
14,736,153
 
14,824,680
 
14,739,548
 
14,833,239
        
Earnings per share, basic
$.20
 
$.20
 
$.11
 
$.10
Earnings per share, diluted
$.20
 
$.20
 
$.11
 
$.10
 
For the six and three months ended July 31, 2012, employee and non-employee director stock options to purchase 1,098,849 common shares, were excluded from the calculations of diluted earnings per share, as the calculated proceeds from the options' exercises were greater than the market price of the Company's common shares at July 31, 2012.  For the six and three months ended July 31, 2011, employee and non-employee director stock options to purchase 616,585 common shares were excluded from the calculations of diluted earnings per share, as the calculated proceeds from the options' exercises were greater than the market price of the Company's common shares at July 31, 2011.