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Short-Term Investments and Short-Term Investments, Related Party (Tables)
 12 Months Ended
Mar. 31, 2020
Summary of Investment Holdings [Line Items]  
Schedule of amortized cost and fair value of investment securities held-to-maturity
   Investment Securities Held-to-Maturity      
   Amortized   Unrealized   Unrealized   Estimated 
   Cost   Gains   Losses   fair value 
March 31, 2020                
Corporate debt securities  $5,587,984   $        -   $        -   $5,587,984 
Related party investment -wealth management product   3,378,706    -    -    3,378,706 
Total  $8,966,690   $-   $-   $8,966,690 
                     
March 31, 2019                    
Corporate debt securities  $9,461,918   $-   $-   $9,461,918 
Total  $9,461,918   $-   $-   $9,461,918 
Investment securities [Member]  
Summary of Investment Holdings [Line Items]  
Schedule of amortized cost and fair value of investment securities held-to-maturity
Periods  March 31, 2020   March 31, 2019 
Due in one year or less  $8,966,690   $9,461,918 
Due after one year through five years   -    - 
Due after five years through ten years   -    - 
Due after ten years   -    - 
Total  $8,966,690   $9,461,918