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Income taxes (Tables)
12 Months Ended
Nov. 30, 2023
Income taxes  
Schedule of differences in Canadian federal and provincial income tax rates to earnings before income taxes

in thousands of dollars

November 30, 2023

November 30, 2022

November 30, 2021

    

$

    

    

$

    

    

$

    

Combined federal and provincial statutory tax rate

27.00

%  

27.00

%  

27.00

%

Income tax (recovery) at statutory rate

(4,037)

(6,549)

(5,848)

Difference in foreign tax rates

(118)

(252)

(194)

Non-deductible expenditures

239

374

937

Change in estimates in respect of prior years

15

39

116

Change in valuation allowance

3,901

6,388

4,989

Income tax recovery (expense)

Schedule of future income tax assets and liabilities

in thousands of dollars

 

November 30, 2023

November 30, 2022

 

    

$

  

  

$

  

Deferred income tax assets

  

 

  

Non-capital losses

60,255

 

57,236

Mineral property interest

4,926

 

3,061

Mineral property impairment

26

17

Deferred interest

6,251

 

6,251

Property, plant and equipment

88

 

86

Lease liability

9

60

Share issuance costs

(5)

 

6

Other deductible temporary differences

166

 

181

Total deferred tax assets

71,716

 

66,898

Valuation allowance

(44,456)

 

(40,555)

Net deferred income tax assets

27,260

 

26,343

Deferred income tax liabilities

  

 

  

Investment in Ambler Metals LLC

(27,229)

(26,257)

Right of use asset

(31)

(86)

Deferred income tax liabilities

(27,260)

 

(26,343)

Net deferred income tax assets

 

Schedule of loss carry forwards expiry

in thousands of dollars

Non-capital losses

Operating losses

Canada

United States

    

$

  

  

$

  

2024

569

2025

1,530

2026

7,871

Thereafter

63,192

140,858

63,192

150,828