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BUSINESS ORGANIZATION AND OPERATIONS	12 Months Ended
BUSINESS ORGANIZATION AND OPERATIONS	Dec. 31, 2013
BUSINESS ORGANIZATION AND OPERATIONS [Abstract]
BUSINESS ORGANIZATION AND OPERATIONS	A. BUSINESS ORGANIZATION AND OPERATIONS U.S. Energy Corp. (“USE”, the “Company”, “we” or “us”) was incorporated in the State of Wyoming on January 26, 1966. U.S. Energy Corp. engages in the acquisition, exploration and development of oil and gas properties and the exploration, holding, sale and/or development of mineral properties. Principal asset interests at December 31, 2013 are in oil and gas, and molybdenum.