XML 37 R26.htm IDEA: XBRL DOCUMENT
v3.10.0.1

NATURE OF OPERATIONS AND GOING CONCERN (Narrative) (Details) | 6 Months Ended
--- | ---
May 31, 2018 USD ($)
Nature Of Operations And Going Concern 1 | $ 31,938,885

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