XML 39 R34.htm IDEA: XBRL DOCUMENT v3.19.3

INVENTORY (Narrative) (Details) - USD ($)	Aug. 31, 2019	Nov. 30, 2018
Inventory	$ 666,912	$ 129,121
Raw materials for Byrna [Member]
Inventory	401,742
Finished goods of Byrna [Member]
Inventory	160,833
Finished goods of 40mm Blunt Impact Projectiles [Member]
Inventory	67,121	90,329
Inventory procured from other suppliers [Member]
Inventory	$ 37,216	$ 38,792

X

- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_InventoryNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	sdev_InventoryAxis=sdev_RawMaterialsForByrnaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	sdev_InventoryAxis=sdev_FinishedGoodsOfByrnaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	sdev_InventoryAxis=sdev_FinishedGoodsOfFourZerommBluntImpactProjectilesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	sdev_InventoryAxis=sdev_InventoryProcuredFromOtherSuppliersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: