XML 57 R43.htm IDEA: XBRL DOCUMENT
v3.10.0.1

EXCLUSIVE SUPPLY AND PURCHASE AGREEMENTS (Narrative) (Details) | 12 Months Ended
--- | ---
Nov. 30, 2018
BIP |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
Term of agreement | 4 years
Additional term of agreement | 1 year
Safariland, LLC |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
Term of agreement | 4 years
Additional term of agreement | 1 year

X
- Definition It represents additional term of agreement. + References No definition available. + Details
Name: | sdev_ExtensionForAdditionalTermOfAgreement
Namespace Prefix: | sdev_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represents term of agreement. + References No definition available. + Details
Name: | sdev_TermOfAgreement
Namespace Prefix: | sdev_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sdev_BipManufacturerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sdev_SafarilandLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |