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Stock Options and Restricted Shares (Tables)
 12 Months Ended
Mar. 31, 2024
Stock Options and Restricted Shares [Abstract]  
Schedule of Fair Value Options Granted The fair value of options granted to employees and directors in fiscal year 2020 was $0.33 per stock option, which was estimated on the date of grant using the Black-Scholes Option Valuation Model:
   2020 
Exercise price  $1.97 
Risk-free interest rate   1.66%
Expected life   2.5 years 
Expected volatility   41.83%
Expected dividend yield   8%
The fair value of options granted to directors in fiscal year 2021 was $0.66 per stock option. It was estimated on the date of grant using the Black-Scholes Option Valuation Model:
   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 A summary of stock option activity during the years ended March 31, 2022, 2023 and 2024 is as follows:
           Weighted 
       Weighted   average 
   Number of   average   remaining 
   stock   exercise   contractual 
   options   price   life (years) 
       $     
             
Outstanding as of April 1, 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 
                
Exercised   (30,000)   
-
    - 
Cancelled   
-
    
-
    - 
                
Outstanding as of March 31, 2024   195,000    1.97    0.36 
                
Exercisable as of March 31, 2023   225,000    1.97    1.36 
                
Exercisable as of March 31, 2024   195,000    1.97    0.36 
Schedule of Restricted Shares Activity A summary of restricted shares activity during the year ended March 31, 2024 is as follows:
   Number of   Weighted 
   non-vested   average 
   restricted   grant date 
   shares   fair value 
       $ 
Outstanding as of April 1, 2023   190,000    2.13 
           
Granted   300,000    
-
 
Forfeited   (15,000)   
-
 
           
Outstanding as of March 31, 2024   475,000    1.95