CONCENTRATION OF CREDIT RISK (Details)	3 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) customer	Mar. 31, 2020 USD ($)
Concentration of credit risk and major customers
Accounts receivable	$ 916,529	$ 990,300
Accounts Receivable | Customer Concentration Risk | Customer A
Concentration of credit risk and major customers
Accounts receivable	$ 349,460
Concentration risk percentage	38.00%
Accounts Receivable | Customer Concentration Risk | Customer B
Concentration of credit risk and major customers
Accounts receivable	$ 258,872
Concentration risk percentage	28.00%
Accounts Receivable | Customer Concentration Risk | Customer C
Concentration of credit risk and major customers
Accounts receivable	$ 140,599
Concentration risk percentage	15.00%
Accounts Receivable | Customer Concentration Risk | Customer D
Concentration of credit risk and major customers
Accounts receivable	$ 93,600	$ 254,637
Concentration risk percentage	10.00%	26.00%
Accounts Receivable | Customer Concentration Risk | Customer E
Concentration of credit risk and major customers
Accounts receivable		$ 365,636
Concentration risk percentage		37.00%
Accounts Receivable | Customer Concentration Risk | Customer F
Concentration of credit risk and major customers
Accounts receivable		$ 123,000
Concentration risk percentage		12.00%
Trade Receivables
Concentration of credit risk and major customers
Number of significant customers | customer	4
Concentration risk percentage	91.00%