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Short-Term Investments and Short-Term Investments, Related Party (Tables)
6 Months Ended
Sep. 30, 2021
Short-Term Investments and Short-Term Investments, Related Party (Tables) [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 
September 30, 2021                
Corporate debt securities  $2,137,315   $
       -
   $
      -
   $2,137,315 
Related party investment -wealth management product   6,611,040    
-
    
-
    6,611,040 
Total  $8,748,355   $
-
   $
-
   $8,748,355 
                     
March 31, 2021                    
Corporate debt securities  $5,073,548   $
-
   $
-
   $5,073,548 
Related party investment -wealth management product   3,966,476    
-
    
-
    3,966,476 
Total  $9,040,024   $
-
   $
-
   $9,040,024 

 

Securities Investment [Member]  
Short-Term Investments and Short-Term Investments, Related Party (Tables) [Line Items]  
Schedule of amortized cost and fair value of investment securities held-to-maturity
Periods 

September 30,

2021

   March 31, 2021 
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