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Short-Term Investments and Short-Term Investments, Related Party (Details) - Schedule of amortized cost and fair value of investment securities held-to-maturity - USD ($)
Sep. 30, 2021
Mar. 31, 2021
Schedule of amortized cost and fair value of investment securities held-to-maturity [Abstract]    
Due in one year or less $ 8,748,355 $ 9,040,024
Due after one year through five years
Due after five years through ten years
Due after ten years
Total $ 8,748,355 $ 9,040,024