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7. Asset Retirement Obligation and Accrued Reclamation Costs
12 Months Ended
Dec. 31, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation and Accrued Reclamation Costs

Changes to the asset retirement obligation balance during 2019 and 2018 are as follows:

 

Asset Retirement Obligation      
   Balance December 31, 2017   $ 164,072  
   Accretion during 2018     6,148  
   Balance December 31, 2018     170,220  
   Accretion during 2019     6,148  
   Balance December 31, 2019   $ 176,368  

 

The Company’s total asset retirement obligation and accrued reclamation costs of $283,868 and $277,720, at December 31, 2019 and 2018, respectively, include reclamation obligations for the Idaho and Montana operations of $107,500.