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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Apr. 30, 2020
Accounting Policies [Abstract]  
Summary of Liabilities
 

2020

$

2019

$

     
Warrants    
     
Beginning fair value - 95,570
Issuance - 1,602
Change in fair value - (97,172)
Ending fair value - -
     
Non-employee options (Note 6(c))    
     
Beginning fair value 6,191 205,120
Transfer value on exercise - (23,040)
Fair value of options on vesting 1,820 3,502
Change in fair value 8,530 (179,391)
Ending fair value 16,541 6,191
     
Total Level 3 liabilities 16,541 6,191