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Stock Based Compensation (Tables)
12 Months Ended
Feb. 28, 2021
Notes to Financial Statements  
Summary of stock options
           Weighted Average 
   Stock Options   Exercise Price $   Remaining 
   Outstanding   Exercisable   Outstanding   Exercisable   Term 
Balance - February 28, 2019   588,000    171,000   $1.10   $0.85      
Granted   237,500         2.55           
Exercised   (231,333)        (0.88)          
Cancelled   (2,500)        (1.17)          
Balance - February 29, 2020   591,667    339,250   $1.77   $2.03      
                          
Granted   80,500        $4.05           
Exercised   (161,208)        (1.05)          
Cancelled   (2,500)        (2.55)          
Balance - February 28, 2021   508,459    333,500   $2.35   $2.17    6 Years 
Weighted-average Black-Scholes assumptions
    Fiscal Year Ended  
    February 28,
2021
    February 29,
2020
 
Expected life     5 - 8 years       1 - 8 years  
Risk free interest rate     0.46% - 0.78%       1.58% - 2.05%  
Expected volatility     48.88% - 58.63%       27.46% - 32.24%  
Expected dividend yield     0%       0%