Long-Term Reclamation Liability and Retirement Obligation Asset (Tables)

3 Months Ended

Mar. 31, 2016

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

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

	March 31, 2016		December 31, 2015
Long-term reclamation liability — beginning of period	$	6,827,568	$	5,908,700
Additional obligations incurred	—		659,295
Accretion of reclamation liability	46,445		259,573
Long-term reclamation liability — end of period	$	6,874,013	$	6,827,568

Schedule of Asset Retirement Obligations

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

	March 31, 2016			December 31, 2015
Retirement obligation asset — beginning of period	$	1,107,120		$	1,619,101
Additional obligations incurred	—			659,295
Amortization of retirement obligation asset	(207,499		)	(1,171,276		)
Retirement obligation asset — end of period	$	899,621		$	1,107,120