v3.21.2
4. Revenue (Details Narrative) - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]      
Deferred revenue $ 119,504 $ 13,992 $ 0
Recognition of unearned revenue $ (284,153) $ (67,804)