XML 30 R17.htm IDEA: XBRL DOCUMENT v3.20.1
NOTE 3 - EARNINGS PER SHARE (Tables)
9 Months Ended
Jan. 31, 2020
Earnings Per Share [Abstract]  
Dilutive securities
   January 31, 2020  January 31, 2019
Stock options   7,145,000    6,695,000 
Warrants   29,039,849    30,654,249 
TOTAL POSSIBLE DILUTIVE SHARES   36,184,849    37,349,249