Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes (Textual) [Abstract]
Income taxes at a statutory rate	35.00%
Cumulative loss period	3 years
Deferred Tax Assets, Valuation Allowance	$ 50,866,000	$ 0	$ 3,195,000
Operating loss carryforwards	56,400,000
Share-based Compensation [Member]
Income Taxes (Textual) [Abstract]
Operating loss carryforwards	11,700,000
Depletion Deduction [Member]
Income Taxes (Textual) [Abstract]
Depletion deduction carryforward	20,900,000
Expiring Twenty Twenty Five [Member]
Income Taxes (Textual) [Abstract]
Operating loss carryforwards	$ 8,700,000