Long-Term Reclamation Liability and Retirement Obligation Asset (Reconciliation of Aggregate Retirement Liability) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Long-term reclamation liability — beginning of period	$ 4,597,156	$ 2,007,605	$ 1,332,730
Additional obligations incurred	531,770	2,405,314	577,529
Accretion of reclamation liability	295,484	184,237	97,346
Long-term reclamation liability — end of period	$ 5,424,410	$ 4,597,156	$ 2,007,605