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INVENTORY (Narrative) (Details) | 12 Months Ended
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Nov. 30, 2014 USD ($)
Inventory 1 | $ 120,246

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