• Filing Date: 2019-07-11
  • Form Type: 10-K
  • Description: Annual report
v3.19.2
Fair Value Measurements (Tables)
12 Months Ended
Apr. 30, 2019
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block]
      Carrying           Fair Value        
  As at April 30, 2019   Amount     Fair Value     Levels     Reference  
  Assets                        
  Cash $  1,862,458   $  1,862,458     1     N/A  
  Foreign currency option contracts   1,178     1,178     2     Note 7  
    $  1,863,636   $  1,863,636              
                           
  Liabilities                        
  Foreign currency option contracts $  4,512   $  4,512     2     Note 7  
 
      Carrying           Fair Value        
  As at April 30, 2018   Amount     Fair Value     Levels     Reference  
  Cash $  2,348,883   $  2,348,883     1     N/A  
Schedule of Assets and Liabilities Not Measured at Fair Value [Table Text Block]
      Carrying           Fair Value        
  As at April 30, 2019   Amount     Fair Value     Levels     Reference  
  Loan payable $  3,000,000   $  2,934,538     2     Note 9