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Convertible debentures (Tables)
 12 Months Ended
Oct. 31, 2020
Borrowings [Abstract]  
Disclosure of detailed information about types of convertible debentures [Table Text Block]
    
  Convertible debentures  Derivative liabilities  Equity component of
convertible debentures		 
  2020  2019  2020  2019  2020  2019 
(a)$2,881,719 $2,511,514 $197,270 $204,366 $23,952 $50,147 
(b) 199,799  87,560  336,292  561,059  —  — 
 $3,081,518 $2,599,074 $533,562 $765,425 $23,952 $50,147 

 

(a) USD denominated debentures with equity components and CDN denominated debentures with embedded derivatives
Disclosure of detailed information about convertible debentures outstanding in functional and foreign currency [Table Text Block]
     CDN 
  USD (equity component)  CDN (embedded derivative) 
  2020  2019  2020  2019 
Loan principal            
Opening balance$931,000 $931,000 $2,271,017 $2,234,294 
Issuance during the year 185,200  —  17,052  165,266 
Repayment or conversion (20,000) —  (158,364) (128,543)
Outstanding at year-end$1,096,200 $931,000 $2,129,705 $2,271,017 
             
Terms of loan            
Annual interest rate 12% - 24%  12% -  24%  12% - 24%  12% -  24% 
Effective annual interest rate 24%  24% - 36%  12% - 1270%  13% - 645% 
Conversion price to common shares$0.03 - $0.07 $0.04 - $0.07 $0.05 - $0.14 $0.05 - $0.15 
Remaining life (in months) 1 - 9  1 - 6  0 - 6  0 - 12 
             
Consolidated Statement of Financial Position            
Carrying value of loan principal$1,083,375 $906,993 $1,403,787 $1,464,416 
Interest payable 151,387  18,661  243,170  121,444 
Convertible debentures$1,234,762 $925,654 $1,646,957 $1,585,860 
             
Derivative liabilities$— $— $197,270 $204,366 
Equity component of convertible debentures$23,952 $50,147 $— $— 
             
Consolidated Statement of Operations and Comprehensive Loss            
Accretion expense$37,934 $118,749 $723,641 $914,780 
Interest expense$194,091 $191,001 $215,923 $229,673 
Gain on revaluation of derivative liabilities$— $— $(590,625)$(846,401)
Loss on conversion of convertible debentures$— $— $— $— 
Loss (gain) on extinguishment of convertible debentures$— $— $(10,919)$(2,865)
             
Consolidated Statement of Changes in Equity            
Amount of principal converted to common shares$20,000 $— $35,000 $— 
Amount of interest converted to common shares$447 $— $1,168 $— 
             
Number of common shares issued on conversion of convertible debentures 511,175  —  731,440  — 
             
Consolidated Statement of Cash Flows            
Amount of principal repaid in cash$— $— $93,721 $96,598 
Amount of interest repaid in cash$60,918 $187,440 $93,005 $159,801 

 
Disclosure of detailed information about convertible debentures outstanding with embedded derivatives subject to conversion price [Table Text Block]

Convertible debentures outstanding as at October 31, 2020:

 

  (i)  (ii) 
  2020  2019  2020  2019 
             
Loan principal            
Opening balance$304,000 $213,600 $121,000 $101,250 
Issuance during the year 449,000  563,600  273,770  307,250 
Conversion (447,000) (397,600) (106,000) (287,500)
Repayment (80,000) (75,600) —  — 
Outstanding at year-end$226,000 $304,000 $288,770 $121,000 
             
Terms of loan            
Annual interest rate 4%  4%  2% - 10%  10% 
Effective annual interest rate 4070% -  139% -  2573% -  4338% - 
  5278%  5044%  20559%  5368% 
Conversion price to common shares (i)  (i)  (ii)  (ii) 
Remaining life (in months) 9 - 12  6 - 11  0 - 5  3 - 12 
Consolidated Statement of Financial Position            
Carrying value of loan principal$56 $39,993 $165,564 $23,429 
Interest payable 14,515  10,953  19,664  13,185 
Convertible debentures$14,571 $50,946 $185,228 $36,614 
             
Derivative liabilities$153,804 $370,759 $182,489 $190,300 
             
Consolidated Statement of Operations and Comprehensive Loss            
Accretion expense$136,533 $57,111 $201,711  165,753 
Interest expense$11,390 $27,053 $19,965  21,916 
Gain on revaluation of derivative liabilities$(73,082)$196,842 $(106,213) 294,673 
Loss on conversion of convertible debentures$54,436 $49,738 $42,048  281 
Loss (gain) on extinguishment of convertible debentures$(116,490)$2,219 $—  — 
             
Consolidated Statement of Changes in Equity            
Amount of principal converted to common shares$447,000 $397,600 $106,000 $287,500 
Amount of interest converted to common shares$6,060 $23,100 $20,986 $21,969 
Number of common shares issued on conversion of convertible debentures 29,409,479  29,106,847  13,585,550  33,421,726 
             
Consolidated Statement of Cash Flows            
Amount of principal repaid in cash$80,000 $75,600 $— $— 
Amount of interest repaid in cash$1,767 $5,973 $— $— 

 

(i)  Conversion price defined as 75% multiplied by the average of the lowest 3 closing stock prices for the 10 trading days prior to conversion date.

 

(ii)  Conversion price defined as 75% multiplied by the lowest stock price for the 20 trading days prior to conversion date.

(b)  USD denominated debentures with embedded derivatives

 

Convertible debentures outstanding as at October 31, 2020:

 
  (iii) 
  2020  2019 
Loan principal      
Opening balance$— $308,000 
Conversion —  (308,000)
Outstanding at year-end$— $— 
Terms of loan      
Annual interest rate n/a  5% 
Effective annual interest rate n/a  5234% 
Conversion price to common shares (iii)  (iii) 
Remaining life (in months) n/a  n/a 
Consolidated Statement of Operations and Comprehensive Loss      
Accretion expense$— $261,042 
Interest expense$— $22,443 
Gain on revaluation of derivative liabilities$— $11,451 
Consolidated Statement of Changes in Equity      
Amount of principal converted to common shares$— $308,000 
Amount of interest converted to common shares$— $18,339 
Number of common shares issued on conversion of convertible debentures —  19,510,390 

 

(iii)  Conversion price defined as 75% multiplied by lowest stock price for the 15 trading days prior to conversion date.
Disclosure of detailed information about assumptions used to determine fair value of derivative liabilities [Table Text Block]

 

2020

 

2019

Share price

$0.02

 

$0.02

Exercise price

$0.01 - $0.11

  

$0.01 - $0.11

Volatility factor (based on historical volatility)

100% - 187%

 

173% - 321%

Risk free interest rate

0.10% - 0.19%

 

1.67% - 1.69%

Expected life of conversion features (in months)

0 - 12

 

0 - 12

Expected dividend yield

0%

 

0%

CDN to USD exchange rate (as applicable)

0.7567

 

0.7582

Call value

$0.00 - $0.02

 

$0.00 - $0.02