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Note 22 - Income Taxes (Tables)
12 Months Ended
Jul. 31, 2024
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended July 31,

 
  

2024

  

2023

  

2022

 

Federal income tax provision rate

  21.00%  21.00%  21.00%

State income tax provision rate, net of federal income tax effect

  2.89%  2.89%  2.95%

Total income tax provision rate

  23.89%  23.89%  23.95%
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year Ended July 31,

 
  

2024

  

2023

  

2022

 

Income (Loss) before income taxes

 $(34,255) $(2,437) $5,247 

Corporate tax rate

  23.89%  23.89%  23.95%

Expected tax expense (recovery)

  (8,184)  (582)  1,257 

Increase (decrease) resulting from

            

Foreign tax rate differences

  (151)  (83)  158 

Permanent differences

  4,155   1,486   (326)

Prior year true-up

  (81)  (464)  6 

Change in state tax rate

  77   (182)  (460)

Foreign exchange rate differences

  (1,231)  1,687   (4)

Other

  -   1,138   188 

Change in valuation allowance

  381   (2,130)  (824)

Deferred tax expense (recovery)

 $(5,034) $870  $(5)
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
  

Year Ended July 31,

 
  

2024

  

2023

  

2023

 

United States

 $(13,928) $5,192  $6,054 

Canada

  (19,468)  (6,720)  268 

Paraguay

  (859)  (909)  (1,075)
  $(34,255) $(2,437) $5,247 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

July 31, 2024

  

July 31, 2023

 

Deferred tax assets (liabilities)

        

Mineral properties

 $2,107  $2,191 

Exploration costs

  6,176   1,774 

Stock option expense

  2,448   3,628 

Depreciable property

  1,098   1,115 

Inventories

  334   (3,909)

Asset retirement obligations

  4,267   3,130 

Investment in equity securities

  (3,351)  465 

Equity accounted for investment

  (4,190)  (3,906)

Other

  (3,643)  1,052 

Section 163(j) interest expense carry forwards

  3,307   4,160 

Loss carry forwards

  72,214   68,661 
   80,767   78,361 

Valuation allowance

  (78,741)  (78,361)

Deferred tax assets

  2,026   - 
         

Deferred tax liabilities

        

Mineral properties

  (66,373)  (71,080)

Net deferred tax liabilities

 $(64,347) $(71,080)
Summary of Operating Loss Carryforwards [Table Text Block]

July 31, 2025

 $2,398 

July 31, 2026

  4,703 

July 31, 2027

  3,171 

July 31, 2028

  2,798 

July 31, 2029

  10,332 

Between July 31, 2030 and 2037

  155,228 

No expiry

  116,754 
  $295,384 

July 31, 2027

 $133 

July 31, 2028

  456 

July 31, 2029

  557 

July 31, 2030

  553 

July 31, 2031

  759 

Remaining balance

  8,300 
  $10,758