XML 53 R33.htm IDEA: XBRL DOCUMENT
v3.8.0.1

NATURE OF OPERATIONS AND GOING CONCERN (Narrative) (Details) | 12 Months Ended
--- | ---
Nov. 30, 2017 USD ($)
Nature Of Operations And Going Concern 1 | $ 31,098,864

X
- Definition Nature Of Operations And Going Concern 1 + References No definition available. + Details
Name: | sdev_NatureOfOperationsAndGoingConcernZeroThreeEightFiveFiveZeroHLKFiveSixzHbFEightvJ
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration