Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) (USD $)	12 Months Ended			163 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012
Net Loss Attributable to the Company	$ (14,501,541)	$ (18,053,923)	$ (14,599,983)	$ (115,998,596)
Interest revenue	42,407	79,165	52,290	2,061,331
Depreciation	(241,610)	(215,740)	(200,266)	(1,035,035)
Accretion	(49,899)	(2,518)	0	(52,417)
Arkose [Member]
Net Loss Attributable to the Company	(875,466)	(1,332,722)	(1,594,875)
Interest revenue	293	386	938
Depreciation	0	0	0
Accretion		0
Uranerz [Member]
Net Loss Attributable to the Company	(13,626,077)	(16,721,201)	(13,005,108)
Interest revenue	42,114	78,779	51,352
Depreciation	(241,610)	(215,740)	(200,266)
Accretion		$ (2,518)