Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 01, 2013
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
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	2013
Document Fiscal Period Focus	Q1