Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Aug. 31, 2017
Oct. 15, 2017
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Aug. 31, 2017  
Trading Symbol sdev  
Entity Registrant Name Security Devices International Inc.  
Entity Central Index Key 0001354866  
Current Fiscal Year End Date --11-30  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   57,230,522
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well Known Seasoned Issuer No  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3