XML 13 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.8

SUBSEQUENT EVENTS (Narrative) (Details) | 9 Months Ended
--- | ---
Aug. 31, 2014 USD ($) | Aug. 31, 2014 CAD
Subsequent Events 1 | 1,875,000 | 1,875,000
Subsequent Events 2 | $ 0.36 |
Subsequent Events 3 |  | 0.40
Subsequent Events 4 | $ 529,188 |

X
- Definition Subsequent Events 1 + References No definition available. + Details
Name: | sdev_SubsequentEventsZeroTwoFourSixEightZeroJFourJkThreeTGNmCvX
Namespace Prefix: | sdev_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Subsequent Events 3 + References No definition available. + Details
Name: | sdev_SubsequentEventsZeroTwoFourSixEightZeroRnwtzfhJqOneNiner
Namespace Prefix: | sdev_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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