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Long-Term Reclamation Liability

6 Months Ended

Jun. 30, 2018

Retirement Obligation Asset

Following is a reconciliation of the aggregate retirement obligation asset associated with our reclamation plan for our mining projects:



	Six Months Ended			Twelve Months Ended
	June 30, 2018			December 31, 2017
Retirement obligation asset — beginning of period	$	282,745		$	617,126
Additional obligations incurred	—			—
Amortization of retirement obligation asset	(36,435		)	(334,381		)
Retirement obligation asset — end of period	$	246,310		$	282,745

Long-Term 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, 2018		December 31, 2017
Long-term reclamation liability — beginning of period	$	7,417,680	$	7,353,346
Additional obligations incurred	—		—
Accretion of reclamation liability	11,054		64,334
Long-term reclamation liability — end of period	$	7,428,734	$	7,417,680