v3.22.2.2
REVENUE (Details - Deferred revenue) - USD ($)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]    
Balance at beginning of year $ 119,504 $ 13,992
Deferral of revenue 1,079,579 389,665
Recognition of unearned revenue (1,094,379) (284,153)
Balance at end of year $ 104,704 $ 119,504