Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Nov. 07, 2012
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Trading Symbol	urz
Entity Registrant Name	URANERZ ENERGY CORP.
Entity Central Index Key	0001162324
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		77,207,574
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well Known Seasoned Issuer	No
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3