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Long-term Reclamation Liability and Retirement Obligation Asset (Tables)
12 Months Ended
Dec. 31, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Other Noncurrent Liabilities
Following is a reconciliation of the mining retirement liability associated with our reclamation plan for the mining projects for the years ended December 31, 2019, and 2018:
 
 
2019
 
2018
 
Long-term reclamation liability — beginning of year
$
7,441,091

 
$
7,417,680

 
Reduction of obligation
(410,018
)
 

 
Amount reclassified to liabilities held for sale
(1,019,705
)
 

 
Accretion of reclamation liability
22,840

 
23,411

 
Long-term reclamation liability — end of year
$
6,034,208

 
$
7,441,091

 
Schedule of Asset Retirement Obligations
Following is a reconciliation of the mining retirement obligation asset for the years ended December 31, 2019, 2018, and 2017:
 
 
2019
 
2018
 
Retirement obligation asset — beginning of year
$
203,274

 
$
282,745

 
Additional obligations incurred

 

 
Amounts reclassified to assets held for sale
(19,590
)
 

 
Amortization of retirement obligation asset
(67,758
)
 
(79,471
)
 
Retirement obligation asset — end of year
$
115,926

 
$
203,274