Quarterly report pursuant to Section 13 or 15(d)

10. EARNINGS PER SHARE (Details - per share calculation)

v3.20.1
10. EARNINGS PER SHARE (Details - per share calculation) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2020
Oct. 31, 2019
Jul. 31, 2019
Jan. 31, 2019
Oct. 31, 2018
Jul. 31, 2018
Jan. 31, 2020
Jan. 31, 2019
Earnings Per Share [Abstract]                
Net loss $ (875,308) $ (1,067,122) $ (1,134,075) $ (676,347) $ (1,036,574) $ (1,215,363) $ (3,076,505) $ (2,928,284)
Basic weighted average number of shares outstanding 1,325,086,933     1,126,904,505     1,284,500,731 1,084,053,016
Diluted weighted average number of shares outstanding 1,325,086,933     1,126,904,505     1,284,500,731 1,084,053,016
Basic and diluted loss per share $ (0.00)     $ (0.00)     $ (0.00) $ (0.00)