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Note 8 - Earnings Per Share
9 Months Ended
Oct. 31, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note
8
- Earnings per share
 
   
Three Months Ended October 31,
 
Nine Months Ended October 31,
   
2018
 
2017
 
2018
 
2017
Basic weighted average common shares outstanding
   
7,877
 
   
7,714
 
   
7,806
 
   
7,668
 
Dilutive effect of equity compensation plans
   
 
   
 
   
 
   
 
Weighted average common shares outstanding assuming full dilution
   
7,877
 
   
7,714
 
   
7,806
 
   
7,668
 
                                 
Stock options not included in the computation of diluted earnings per share of common stock because the option exercise prices exceeded the average market prices of the common shares
   
176
 
   
143
 
   
176
 
   
143
 
Stock options with an exercise price below the average market price
   
90
 
   
226
 
   
90
 
   
226