Condensed Consolidated Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cost of uranium sales:
Operating expenses	$ 687,217	$ 220,408
Mineral property expenses	421,760	629,910
Accretion/amortization of asset retirement obligations	97,435	23,119
Depreciation and depletion	75,899	116,322
Impairment of uranium properties	279,429	268,923
Total cost of uranium sales	1,561,740	1,258,682
Loss from operations before corporate expenses	(1,561,740)	(1,258,682)
Corporate expenses:
General and administrative	2,635,236	3,013,136
Depreciation	45,979	31,884
Total corporate expenses	2,681,215	3,045,020
Loss from operations	(4,242,955)	(4,303,702)
Other income and expense:
Interest expense	(239,718)	(3,547)
Interest and other income, net	9,226	97,584
Net loss	$ (4,473,447)	$ (4,209,665)
Basic and diluted net loss per common share (in dollars per share)	$ (0.26)	$ (0.43)
Average weighted shares outstanding (in shares)	17,308,089	9,804,690