XML 25 R19.htm IDEA: XBRL DOCUMENT v3.20.1
13. Asset Retirement Obligation
3 Months Ended
Mar. 31, 2020
Notes  
13. Asset Retirement Obligation

13. 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 three months ended March 31, 2020 and 2019 is as follows:

 

 

Three Months Ended

March 31,

 

2020

2019

 

 

 

 

 

Balance at beginning of period

$

163,369

$

154,292

Accretion expense

 

2,355

 

2,218

Balance at end of period

$

165,724

$

156,510