    <SEC-DOCUMENT>0001157523-18-000713-index.html : 20180416
    <SEC-HEADER>0001157523-18-000713.hdr.sgml : 20180416
    <ACCEPTANCE-DATETIME>20180416062417
    ACCESSION NUMBER:		0001157523-18-000713
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20180413
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180416
    DATE AS OF CHANGE:		20180416

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Security Devices International Inc.
    		CENTRAL INDEX KEY:			0001354866
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
    		IRS NUMBER:				711050654
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1130

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-132456
    		FILM NUMBER:		18755465

    	BUSINESS ADDRESS:
    		STREET 1:		9325 PUCKETT ROAD
    		CITY:			PERRY
    		STATE:			FL
    		ZIP:			32348
    		BUSINESS PHONE:		905-582-6402

    	MAIL ADDRESS:
    		STREET 1:		9325 PUCKETT ROAD
    		CITY:			PERRY
    		STATE:			FL
    		ZIP:			32348
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a51789037.htm
    <DESCRIPTION>SECURITY DEVICES INTERNATIONAL INC. 8-K
    <TEXT>
    Document 1 - file: a51789037.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>a51789037ex10_1.htm
    <DESCRIPTION>EXHIBIT 10.1
    <TEXT>
    Document 2 - file: a51789037ex10_1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>a51789037ex99_1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 3 - file: a51789037ex99_1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>exhibita_1.jpg
    <TEXT>
    Document 4 - file: exhibita_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>exhibita_2.jpg
    <TEXT>
    Document 5 - file: exhibita_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exhibita_3.jpg
    <TEXT>
    Document 6 - file: exhibita_3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>fig1.jpg
    <TEXT>
    Document 7 - file: fig1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>fig2.jpg
    <TEXT>
    Document 8 - file: fig2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>