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

Inventory (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Inventory, Net, Total	$ 4,703,000us-gaap_InventoryNet	$ 5,168,000us-gaap_InventoryNet
Costs in excess of net realizable value	0us-gaap_InventoryValuationReserves
In Process Inventory [Member]
Inventory [Line Items]
Inventory, Net, Total	1,368,000	2,084,000
Plant Inventory [Member]
Inventory [Line Items]
Inventory, Net, Total	761,000	882,000
Conversion Facility Inventory [Member]
Inventory [Line Items]
Inventory, Net, Total	$ 2,574,000	$ 2,202,000

Amount of valuation reserve for inventory.