Annual report pursuant to Section 13 and 15(d)

Schedule of Stockholders' Equity Note, Warrants or Rights, Weighted Average Remaining Contractual Term, Outstanding and Exercisable (Details)

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Schedule of Stockholders' Equity Note, Warrants or Rights, Weighted Average Remaining Contractual Term, Outstanding and Exercisable (Details)
12 Months Ended
Nov. 30, 2014
Stock Purchase Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Weighted Average Remaining Contractual Term, Outstanding And Exercisable 1 0.9sdev_ScheduleOfStockholdersaposEquityNoteWarrantsOrRightsWeightedAverageRemainingContractualTermOutstandingAndExercisableZeroTwoSixNineFourZerocWfFiveGSixNineQXWhTwo
Stock Purchase Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Weighted Average Remaining Contractual Term, Outstanding And Exercisable 2 1.6sdev_ScheduleOfStockholdersaposEquityNoteWarrantsOrRightsWeightedAverageRemainingContractualTermOutstandingAndExercisableZeroTwoSixNineFourZeroqVtSixMthOnehGfQ
Stock Purchase Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Weighted Average Remaining Contractual Term, Outstanding And Exercisable 3 0.9sdev_ScheduleOfStockholdersaposEquityNoteWarrantsOrRightsWeightedAverageRemainingContractualTermOutstandingAndExercisableZeroTwoSixNineFourZeroSpgyzGkKPRcL
Stock Purchase Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Weighted Average Remaining Contractual Term, Outstanding And Exercisable 4 1.6sdev_ScheduleOfStockholdersaposEquityNoteWarrantsOrRightsWeightedAverageRemainingContractualTermOutstandingAndExercisableZeroTwoSixNineFourZeroNqNThreeEightNpZerokdJn