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Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable - Accounts Receivable [Member]
 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances 78.60% 72.90%
Customer A [Member]    
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances 43.50% 47.40%
Customer B [Member]    
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances 12.20% [1]
Customer C [Member]    
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances 10.80% 18.40%
Customer D [Member]    
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances [1] 7.10%
Customer E [Member]    
Concentrations of Credit Risk and Major Customers (Details) - Schedule of accounts receivable [Line Items]    
Three largest receivable balances 12.10% [1]
[1] Not among the top three receivable balances or individually comprised 10% or more of receivable balance as of respective year end.