NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Accounts Receivable (Details) - USD ($)	Dec. 31, 2020	Mar. 31, 2020
Accounting Policies [Abstract]
Trade receivables, net	$ 4,929,660	$ 4,957,081
Less: Allowance for doubtful accounts	(40,000)	(40,000)
Net accounts receivable	$ 4,889,660	$ 4,917,081