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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Notes Payable (Details)

v3.8.0.1

Notes Payable (Details) $ / shares in Units, $ in Thousands		9 Months Ended
Notes Payable (Details) $ / shares in Units, $ in Thousands	Oct. 15, 2013 USD ($)	Sep. 30, 2017 USD ($) $ / shares	Dec. 31, 2016 $ / shares	Oct. 23, 2013 item
Notes Payable
Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights \| $ / shares		$ 0.97	$ 0.97
Sweetwater IDR Bond [Member]
Notes Payable
Proceeds from Issuance of Long-term Debt	$ 34,000
Maturity Date		Oct. 01, 2021
Periodic payment amount		$ 21,071
Due Quarterly Commencing From January 1, 2014 [Member] \| Sweetwater IDR Bond [Member]
Notes Payable
Fixed interest rate (as a percent)				5.75%
Due Quarterly Commencing From January 1, 2015 [Member] \| Sweetwater IDR Bond [Member]
Notes Payable
Number of installments \| item				28

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Represents the total number of installment payments to be made on the debt instrument.

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