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v2.4.1.9

SEGMENT DISCLOSURES (Narrative) (Details) (USD $) | 12 Months Ended
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Nov. 30, 2014
Segment Disclosures 1 | $ 3,828 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixFXzclspXRqvTwo
Segment Disclosures 2 | 20,351 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixTMThreeZBFivegZTwoZeroZeroz
Segment Disclosures 3 | 120,246 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixLTMnsydcnvHSix
Segment Disclosures 4 | 0 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixMLDsFourtgFCQxh
Segment Disclosures 5 | 126,377 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixBOnenWwPHdsCgJ
Segment Disclosures 6 | $ 128,146 sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixGVFnlOneRkZeroRmt

X
- Definition Segment Disclosures 5 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixBOnenWwPHdsCgJ
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment Disclosures 1 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixFXzclspXRqvTwo
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment Disclosures 6 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixGVFnlOneRkZeroRmt
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment Disclosures 3 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixLTMnsydcnvHSix
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment Disclosures 4 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixMLDsFourtgFCQxh
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment Disclosures 2 + References No definition available. + Details
Name: | sdev_SegmentDisclosuresZeroTwoSixNineFourThreeOneEightSixTMThreeZBFivegZTwoZeroZeroz
Namespace Prefix: | sdev_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration