Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) (USD $)	3 Months Ended		9 Months Ended		172 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013
Net Loss Attributable to the Company	$ (11,051,792)	$ (5,607,295)	$ (18,326,203)	$ (21,834,440)	$ (155,617,419)
Interest income	4,419	10,474	11,033	39,170	2,072,364
Interest expense	(729,450)	0	(966,556)	0	(966,556)
Depreciation	(46,902)	(62,215)	(155,501)	(184,026)	(1,190,536)
Accretion	(19,709)	(14,462)	(56,845)	(31,450)	(109,262)
Uranerz [Member]
Net Loss Attributable to the Company	(10,822,313)	(5,256,695)	(17,840,600)	(21,102,368)
Interest income	4,262	10,181	10,876	38,877
Interest expense	(729,450)	0	(966,556)	0
Depreciation	(46,902)	(62,215)	(155,501)	(184,026)
Accretion	(19,709)	(14,462)	(56,845)	(31,450)
Arkose [Member]
Net Loss Attributable to the Company	(229,479)	(350,600)	(485,603)	(732,072)
Interest income	157	293	157	293
Interest expense	0	0	0	0
Depreciation	0	0	0	0
Accretion	$ 0	$ 0	$ 0	$ 0