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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Nov. 30, 2018

Schedule of Depreciation Rates, Plant and Equipment [Table Text Block]

		Computer equipment and software	30% declining balance method
		Furniture and fixtures	30% declining balance method
		Leasehold improvements	Straight line over period of lease
		Moulds	20% straight line over 5 years

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- Definition

Schedule of Depreciation Rate, Plant and Equipment

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Namespace Prefix:	sdev_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration