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Stock Options and Restricted Shares (Tables)
 12 Months Ended
Mar. 31, 2023
Stock Options and Restricted Shares [Abstract]  
Schedule of fair value options granted
   2020 
Exercise price  $1.97 
Risk-free interest rate   1.66%
Expected life   2.5 years 
Expected volatility   41.83%
Expected dividend yield   8%
   2021 
Exercise price  $2.42 
Risk-free interest rate   0.22%
Expected life   2.5 years 
Expected volatility   53.56%
Expected dividend yield   8%
Schedule of stock option activity
   Number of
stock
options		   Weighted
average
exercise
price		   Weighted Average remaining contractual life (years) 
       $     
Outstanding as of April 1, 2020   385,000    1.97    4.36 
Granted   40,000    2.42    - 
Exercised   (40,000)   
-
    - 
Cancelled   (20,000)   
-
    - 
Outstanding as of March 31, 2021   365,000    1.97    3.36 
Exercised   (10,000)   
-
    - 
Cancelled   (5,000)   
-
    - 
Outstanding as of March 31, 2022   350,000    1.97    2.36 
Exercised   (50,000)   
-
    - 
Cancelled   (75,000)   
-
    - 
Outstanding as of March 31, 2023   225,000    1.97    1.36 
Exercisable as of March 31, 2022   350,000    1.97    2.36 
Exercisable as of March 31, 2023   225,000    1.97    1.36