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Long-Term Reclamation Liability (Tables)
6 Months Ended
Jun. 30, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Reconciliation of the Aggregate Reclamation Liability

Following is a reconciliation of the aggregate reclamation liability associated with our reclamation plan for our mining projects:
 
Six Months Ended
 
Twelve Months
 Ended
 
June 30, 2020
 
December 31, 2019
Long-term reclamation liability — beginning of period
$
6,034,208

 
$
7,441,091

Reduction of obligation

 
(410,018
)
Amount reclassified to liabilities held for sale

 
(1,019,705
)
Accretion of reclamation liability
10,355

 
22,840

Long-term reclamation liability — end of period
$
6,044,563

 
$
6,034,208