v3.26.1
Note 9 - Asset Retirement Obligations (Tables)
9 Months Ended
Apr. 30, 2026
Notes Tables  
Schedule of Change in Asset Retirement Obligation [Table Text Block]

Balance, July 31, 2025

 

$39,064

 

Accretion

 

 

1,629

 

Addition

 

 

715

 

Liabilities settled in cash

 

 

(509)

Balance, April 30, 2026

 

 

40,899

 

Asset retirement obligations, current

 

 

(4,650)

Asset retirement obligations, non-current

 

$36,249

 

Schedule Of Estimated Cash flow and Assumption Used For ARO [Table Text Block]

 

 

April 30, 2026

 

 

July 31, 2025

 

Undiscounted amount of estimated cash flows

 

 

88,900

 

 

 

88,669

 

 

 

 

 

 

 

 

 

 

Payable in years

 

 

1 to 36

 

 

 

1 to 37

 

Inflation rate

 

 

1.56% to 5.32%

 

 

 

1.56% to 5.32%

 

Discount rate

 

 

3.72% to 6.35%

 

 

 

3.72% to 6.35%