Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2020	Mar. 31, 2020
Allowance for doubtful accounts	$ 78,154	$ 62,248
Accumulated depreciation	3,736,734	3,060,681
Convertible promissory notes, issuance costs current	$ 127,944	$ 237,611
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	47,454,277	46,204,139
Common stock, shares outstanding	47,454,277	46,204,139
Licensing Agreements [Member]
Accumulated amortization	$ 170,833	$ 158,333
Patents [Member]
Accumulated amortization	684,431	561,096
Other Intangible Assets [Member]
Accumulated amortization	$ 1,853,946	$ 1,496,833