Ur-Energy Inc. Quarterly report pursuant to Section 13 or 15(d)

Capital Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Cost	$ 38,935	$ 38,887
Accumulated Depreciation	4,845	3,637
Net Book Value	34,090	35,250
Rolling stock [Member]
Property, Plant and Equipment [Line Items]
Cost	3,874	3,860
Accumulated Depreciation	2,609	2,366
Net Book Value	1,265	1,494
Buildings and enclosures [Member]
Property, Plant and Equipment [Line Items]
Cost	32,893	32,936
Accumulated Depreciation	1,102	279
Net Book Value	31,791	32,657
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	968	903
Accumulated Depreciation	382	343
Net Book Value	586	560
Furniture, fixtures and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	118	121
Accumulated Depreciation	73	64
Net Book Value	45	57
Information technology [Member]
Property, Plant and Equipment [Line Items]
Cost	1,082	1,067
Accumulated Depreciation	679	585
Net Book Value	$ 403	$ 482