XML 32 R21.htm IDEA: XBRL DOCUMENT v3.21.2
15. Asset Retirement Obligation
9 Months Ended
Sep. 30, 2021
Notes  
15. Asset Retirement Obligation

15. Asset Retirement Obligation 

 

The Company has established asset retirement obligations associated with the ultimate closing of its mineral properties where there has been or currently are operations. Activity for the nine months ended September 30, 2021 and 2020 is as follows:

 

 

Nine Months Ended

September 30,

 

2021

 

2020

 

 

 

 

 

Balance at beginning of period

$

173,001

$

163,369

Accretion expense

 

7,476

 

7,170

Change in asset retirement obligation estimate

 

(10,606)

 

-

Balance at end of period

$

169,871

$

170,539

 

The change in the asset retirement obligation estimate during the current quarter related to a revision to the estimated start of the reclamation process to a later date at our Golden Chest properties.