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Stock Options Plans (Details) - Share-based Payment Arrangement, Option, Activity - USD ($)
6 Months Ended 12 Months Ended
Sep. 30, 2023
Mar. 31, 2023
Share Based Payment Arrangement Option Activity Abstract    
Outstanding, Number of Options   99,000
Outstanding, Average Exercise Price   $ 3.13
Outstanding, Average Remaining Contractual Term 1 year 3 months 10 days 1 year 9 months 10 days
Outstanding, Aggregate Intrinsic Value   $ 0
Balance, Number of Options 75,600  
Balance, Average Exercise Price $ 3.17  
Balance, Average Remaining Contractual Term 9 months 18 days  
Balance, Aggregate Intrinsic Value $ 0  
Options granted, Average Exercise Price 0  
Options granted, Average Exercise Price $ 0  
Options exercised, Average Exercise Price 0  
Options exercised, Average Exercise Price $ 0  
Options canceled/forfeited, Average Exercise Price 0  
Options canceled/forfeited, Average Exercise Price $ 0  
Outstanding, Number of Options 99,000  
Outstanding, Average Exercise Price $ 3.13  
Outstanding, Aggregate Intrinsic Value $ 0