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Trade Accounts Receivable (Tables)
 6 Months Ended
Sep. 30, 2020
Receivables [Abstract]  
Schedule of trade accounts receivable

   September 30,
2020		   March 31,
2020		 
Accounts receivable  $12,215,726   $12,034,726 
Less: allowance for doubtful accounts   (2,223,584)   (2,264,070)
Trade accounts receivable, net  $9,992,142   $9,770,656