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Summary of Significant Accounting Policies, Foreign Currency Translation (Details) - USD ($)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
General and Administrative Expenses [Member]      
Foreign Currency Translation [Abstract]      
Foreign currency transaction gains (losses) $ 239,000 $ 1,144,000 $ (789,000)