Annual report pursuant to Section 13 and 15(d)

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

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14. EARNINGS PER SHARE (Details - per share calculation) - USD ($)
3 Months Ended 12 Months Ended
Apr. 30, 2016
Jan. 31, 2016
Oct. 31, 2015
Jul. 31, 2015
Apr. 30, 2015
Jan. 31, 2015
Oct. 31, 2014
Jul. 31, 2014
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Earnings Per Share [Abstract]                      
Net loss $ (1,122,067) $ (1,791,097) $ (1,635,582) $ (1,515,038) $ (4,020,389) $ (1,458,050) $ (2,864,443) $ (1,584,824) $ (6,063,784) $ (9,927,706) $ (27,254,020)
Basic weighted average number of shares outstanding                 752,403,049 704,327,656 583,219,665
Diluted weighted average number of shares outstanding                 752,403,049 704,327,656 583,219,665
Basic and diluted loss per share $ 0.00 $ 0.00 $ 0.00 $ 0.00 $ (.01) $ (0.00) $ (0.01) $ (0.00) $ (0.01) $ (0.01) $ (0.05)