XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - USD ($)
12 Months Ended
Jul. 31, 2016
Nov. 30, 2016
Document and Entity Information:    
Entity Registrant Name NORTHERN MINERALS & EXPLORATION LTD.  
Entity Central Index Key 0001415744  
Amendment Flag false  
Current Fiscal Year End Date --07-31  
Document Type 10-K  
Document Period End Date Jul. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus FY  
Entity Filer Category Smaller Reporting Company  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Public Float $ 0  
Entity Common Stock, Shares Outstanding   26,497,818