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Stock-based Compensation (Tables)
6 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Grant-date Fair Value of Stock Options Granted and Assumptions Used Binomial Models

Included in the following table is a summary of the grant-date fair value of stock options granted and the related assumptions used in the Binomial models for stock options granted during the six months ended September 30, 2021 and 2020. All such amounts represent the weighted average amounts.

 

   Six Months Ended 
   September 30 
   2021   2020 
Grant-date fair value  $6.05          - 
Volatility factor   65.38%   - 
Dividend yield   -    - 
Risk-free interest rate   0.92%   - 
Expected term (in years)   6.25    - 
Summary of Activity of Stock Options

The following table is a summary of activity of stock options for the six months ended September 30, 2021:

 

   Number of Shares   Weighted Average Exercise Price   Weighted Average Remaining Contract Life in Years   Intrinsic Value 
Outstanding at April 1, 2021   156,000   $5.28    5.53   $555,100 
Granted   31,000    8.51           
Exercised   (27,900)   6.63           
Forfeited or Expired   -    -           
Outstanding at September 30, 2021   159,100   $5.67    6.50   $752,622 
                     
Vested at September 30, 2021   87,350   $5.56    4.59   $422,362 
Exercisable at September 30, 2021   87,350   $5.56    4.59   $422,362