XML 72 R58.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Schedule of Share-based Compensation,, Warrants or Rights, Weighted Average Remaining Contractual Term, Outstanding and Exercisable (Details) | 12 Months Ended
--- | ---
Nov. 30, 2018 | Nov. 30, 2017
Class of Warrant or Right, Weighted Average Remaining Contractual Term | 3 years 10 months 17 days | 4 years 8 months 5 days
Class of Warrant or Right, Weighted Average Remaining Contractual Term | 3 years 10 months 17 days | 4 years 8 months 5 days

X
- Definition Class of Warrant or Right, Weighted Average Remaining Contractual Term + References No definition available. + Details
Name: | sdev_ClassOfWarrantOrRightExercisableWeightedAverageRemainingContractualTerm
Namespace Prefix: | sdev_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Weighted Average Remaining Contractual Term + References No definition available. + Details
Name: | sdev_ClassOfWarrantOrRightWeightedAverageRemainingContractualTerm
Namespace Prefix: | sdev_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration