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

9 Months Ended

Sep. 30, 2014

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:

	September 30, 2014		December 31, 2013
Long-term reclamation liability — beginning of period	$	5,424,410	$	4,597,156
Additional obligations incurred	—		531,770
Accretion of reclamation liability	257,915		295,484
Long-term reclamation liability — end of period	$	5,682,325	$	5,424,410

Schedule of Asset Retirement Obligations

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

	September 30, 2014			December 31, 2013
Retirement obligation asset — beginning of period	$	2,491,956		$	2,803,318
Additional obligations incurred	—			531,770
Amortization of retirement obligation asset	(754,214		)	(843,132		)
Retirement obligation asset — end of period	$	1,737,742		$	2,491,956