Assets Held For Sale

12 Months Ended

Dec. 31, 2011

Assets Held-for-sale, Current [Abstract]

Assets Held For Sale

Assets Held For Sale

At December 31, 2011, the Company's assets held for sale had a balance of $14.6 million related to proved developed properties in Elko, Eureka, and Nye Counties, Nevada (Nevada Assets). On December 21, 2011, the Company entered into an agreement to sell its Nevada Assets to a group of private buyers for $16.5 million, subject to customary closing adjustments. The sale of the Nevada Assets was effective January 1, 2012 and closed January 31, 2012. The Company received a deposit of $3.3 million on December 22, 2011 for the sale of these assets, which is recorded under accrued liabilities on the Balance Sheets at December 31, 2011.The asset retirement obligation related to the Nevada Assets was $0.7 million at December 31, 2011 and is included in the asset retirement obligations liability on the December 31, 2011 Balance Sheets.