Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
12 Months Ended
Nov. 30, 2018
Feb. 27, 2019
May 31, 2018
Document Type 10-K    
Amendment Flag false    
Document Period End Date Nov. 30, 2018    
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 Non-accelerated Filer    
Entity Common Stock, Shares Outstanding   103,093,442  
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well Known Seasoned Issuer No    
Entity Public Float     $ 11,000,000
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false