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Note 11 - Asset Retirement Obligations
12 Months Ended
Jul. 31, 2020
Notes to Financial Statements  
Asset Retirement Obligation Disclosure [Text Block]
NOTE
11
:
ASSET RETIREMENT OBLIGATIONS
 
The Company's asset retirement obligations (AROs) relate to future remediation and decommissioning activities at our Palangana Mine, Hobson Processing Facility and the Alto Parana Titanium Project pilot plant in Paraguay.
  
Balance, July 31, 2019
  $
3,541,082
 
Accretion
   
193,232
 
Balance, July 31, 2020
 
$
3,734,314
 
 
During Fiscal
2019,
the ARO for the Palangana Mine and the Hobson Processing Facility was revised due to changes in the estimated timing of restoration and reclamation of the Palangana Mine and decommissioning of the Hobson Processing Facility. As a result, ARO liabilities associated with the Palangana Mine reduced by
$532,309,
and ARO liabilities associated with the Hobson Processing Facility reduced by
$176,253.
Refer to Note
3:
Mineral Rights and Properties and Note
4:
Property, Plant and Equipment herein.
 
The estimated amounts and timing of cash flows and assumptions used for the ARO estimates are as follows:
 
   
July 31, 2020
   
July 31, 2019
 
Undiscounted amount of estimated cash flows
 
$
8,221,018
    $
8,221,018 
 
                         
Payable in years
 
 
9
to
21
     
9
to
21
 
Inflation rate
 
 
1.56%
to
2.17%
     
1.56%
to
2.17%
 
Discount rate
 
 
5.50%
to
5.96%
     
5.50%
to
5.96%
 
 
The undiscounted amounts of estimated cash flows for the next
five
years and beyond are as follows:
 
Fiscal 2021
  $
-
 
Fiscal 2022
   
-
 
Fiscal 2023
   
-
 
Fiscal 2024
   
-
 
Fiscal 2025
   
-
 
Remaining balance
   
8,221,018
 
    $
8,221,018