Annual report pursuant to Section 13 and 15(d)

3. Patents (Details)

v3.19.2
3. Patents (Details) - USD ($)
Mar. 31, 2019
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
Patents $ 211,645 $ 211,645
Accumulated amortization (144,977) (135,813)
Finite-Lived Intangible Assets, Net $ 66,668 $ 75,832