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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)	3 Months Ended		9 Months Ended
	Dec. 31, 2019 USD ($) customers vendors	Dec. 31, 2018 USD ($) customers vendors	Dec. 31, 2019 USD ($) customers vendors shares	Dec. 31, 2018 USD ($) customers vendors shares	Apr. 01, 2019 USD ($)	Mar. 31, 2019 USD ($)
Cash and cash equivalents	$ 4,173,551		$ 4,173,551			$ 11,032,451
Selling expenses	$ 1,175,274	$ 1,266,031	$ 4,103,437	$ 4,166,274
Right of use asset					$ 123,985
Lease liability					$ 140,004
Accounts Receivable [Member]
Number of major customers \| customers			3	2
Concentration Risk, Percentage			51.00%	45.00%
Accounts Receivable [Member] \| Customer 1 [Member]
Concentration Risk, Percentage			22.00%	29.00%
Accounts Receivable [Member] \| Customer 2 [Member]
Concentration Risk, Percentage			16.00%	16.00%
Accounts Receivable [Member] \| Customer 3 [Member]
Concentration Risk, Percentage			13.00%
Revenues [Member]
Number of major customers \| customers	2	2	2	2
Concentration Risk, Percentage	40.00%	47.00%	40.00%	43.00%
Revenues [Member] \| Customer 1 [Member]
Concentration Risk, Percentage	26.00%	28.00%	24.00%	24.00%
Revenues [Member] \| Customer 2 [Member]
Concentration Risk, Percentage	14.00%	19.00%	16.00%	19.00%
Purchases [Member]
Number of major vendors \| vendors	2	3	3	3
Concentration Risk, Percentage	42.00%	58.00%	52.00%	59.00%
Purchases [Member] \| Vendor 1 [Member]
Concentration Risk, Percentage	23.00%	36.00%	21.00%	36.00%
Purchases [Member] \| Vendor 2 [Member]
Concentration Risk, Percentage	19.00%	11.00%	21.00%	12.00%
Purchases [Member] \| Vendor 3 [Member]
Concentration Risk, Percentage		11.00%	10.00%	11.00%
Employee Stock Option [Member]
Antidilutive securities excluded from computation of earnings per share, amount \| shares			250,506	1,578,343
Warrant [Member]
Antidilutive securities excluded from computation of earnings per share, amount \| shares			0	3,013,000