7. Asset Retirement Obligation and Accrued Reclamation Costs

12 Months Ended

Dec. 31, 2018

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation and Accrued Reclamation Costs

Changes to the asset retirement obligation balance during 2018 and 2017 are as follows:

Asset Retirement Obligation
Balance December 31, 2016	$	158,282
Accretion during 2017		5,790
Balance December 31, 2017		164,072
Accretion during 2018		6,148
Balance December 31, 2018	$	170,220

The Company’s total asset retirement obligation and accrued reclamation costs of $277,720 and $271,572, at December 31, 2018 and 2017, respectively, include reclamation obligations for the Idaho and Montana operations of $107,500.