Segment Disclosures (Tables)

12 Months Ended

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	December 31, 2012
	Total	Uranerz	Arkose
	$	$	$
Assets	32,846,112	31,993,570	852,542

	December 31, 2011
	Total	Uranerz	Arkose
	$	$	$
Assets	45,714,186	45,092,107	622,079

	December 31, 2010
	Total	Uranerz	Arkose
	$	$	$
Assets	40,634,083	39,770,022	864,061

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

Net loss attributable to the Company	(14,501,541	)	(13,626,077	)	(875,466	)
Interest revenue	42,407		42,114		293
Depreciation	(241,610	)	(241,610	)	–

Net loss attributable to the Company	(18,053,923	)	(16,721,201	)	(1,332,722	)
Interest revenue	79,165		78,779		386
Depreciation	(215,740	)	(215,740	)	–
Accretion	(2,518	)	(2,518	)	–

Net loss attributable to the Company	(14,599,983	)	(13,005,108	)	(1,594,875	)
Interest revenue	52,290		51,352		938
Depreciation	(200,266	)	(200,266	)	–