Note 4 (Tables)
6 Months Ended
Aug. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The computation of weighted average common and common equivalent shares used in the calculation of basic and diluted earnings per share (“EPS”) is shown below.

Earnings Per Share:
                       
   
Three Months Ended August 31,
   
Six Months Ended August 31,
 
   
2015
   
2014
   
2015
   
2014
 
                         
Net earnings
  $ 644,400     $ (3,900 )   $ 969,000     $ 235,800  
                                 
Shares:
                               
                                 
Weighted average shares outstanding - basic
    4,045,219       3,998,170       4,039,055       3,992,365  
Assumed exercise of options
    -       -       -       -  
                                 
Weighted average shares outstanding - diluted
    4,045,219       3,998,170       4,039,055       3,992,365  
                                 
Basic Earnings Per Share
  $ 0.16     $ (0.00 )   $ 0.24     $ 0.06  
Diluted Earnings Per Share
  $ 0.16     $ (0.00 )   $ 0.24     $ 0.06  
                                 
Stock options not considered above because they were antidilutive
    10,000       10,000       10,000       10,000