Summary of Significant Accounting Policies - Schedule of Concentration of Risks (Details)	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Concentration percentage	10.00%	10.00%
Customer Concentration Risk [Member] | Revenues [Member]
Concentration percentage	25.50%	36.40%
Customer Concentration Risk [Member] | Revenues [Member] | Customer A [Member]
Concentration percentage	14.90%	10.50%
Customer Concentration Risk [Member] | Revenues [Member] | Customer B [Member]
Concentration percentage	10.60%
Customer Concentration Risk [Member] | Revenues [Member] | Customer C [Member]
Concentration percentage		25.90%
Customer Concentration Risk [Member] | Accounts receivable [Member]
Concentration percentage	28.50%	34.60%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer A [Member]
Concentration percentage	11.90%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer B [Member]
Concentration percentage	16.60%
Customer Concentration Risk [Member] | Accounts receivable [Member] | Customer C [Member]
Concentration percentage		34.60%