Security Devices International, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS (Narrative) (Details)

COMMITMENTS (Narrative) (Details)		1 Months Ended	6 Months Ended
COMMITMENTS (Narrative) (Details)	Apr. 13, 2018 USD ($) trigger_price $ / shares shares	Dec. 31, 2017 USD ($)	May 31, 2019 USD ($)	May 31, 2019 ZAR (R)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures \| shares	1,500,000
Rental expenses for services		$ 700
Massachusetts [Member]
Rental expenses for services			$ 700
Indiana [Member]
Rental expenses for services			2,472
South Africa [Member]
Rental expenses for services			1,050	R 14,750
Consulting Agreements [Member]
Payment For Consultants			7,500
Amount of increased in payment for consultants			$ 10,000
Purchase and Sale Agreement (the Agreement) with Andre Buys [Member]
Number of stock options \| shares	1,500,000
Stock option price per share \| $ / shares	$ 0.16
First installment of consideration payment	$ 100,000
Second installment of consideration payment in cash	500,000
Deferred compensation arrangement with individual share award granted amount	$ 750,000
Terms of stock option grant date	7 years
Stock option terms of remain employee	3 years
Percentage of intellectual property of portfolio	2.00%
Amount of royalty exceeds	$ 25,000
Minimum payment of royalty	25,000
Minimal commitment relating to employment contract	$ 320,000
Terms of minimal commitment relating to employment contract	32 months
Purchase and Sale Agreement (the Agreement) with Andre Buys [Member] \| Second Anniversary
Percentage of royalty	10.00%
Purchase and Sale Agreement (the Agreement) with Andre Buys [Member] \| Sixth Anniversary
Percentage of royalty	4.00%
Purchase and Sale Agreement (the Agreement) with Andre Buys [Member] \| Eighth Anniversary
Percentage of royalty	3.00%
Batch of 500,000 options 1 [Member] \| Purchase and Sale Agreement (the Agreement) with Andre Buys [Member]
Stock option, trigger price \| trigger_price	0.30
Batch of 500,000 options 2 [Member] \| Purchase and Sale Agreement (the Agreement) with Andre Buys [Member]
Stock option, trigger price \| trigger_price	0.50
Batch of 500,000 options 3 [Member] \| Purchase and Sale Agreement (the Agreement) with Andre Buys [Member]
Stock option, trigger price \| trigger_price	1.00