XML 70 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Schedule of Share-based Compensation, Stock Options (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 30, 2017 $ / shares | Nov. 30, 2017 $ / shares | Nov. 30, 2016 $ / shares | Nov. 30, 2016 $ / shares | Nov. 30, 2017 $ / shares shares | Nov. 30, 2017 $ / shares shares | Nov. 30, 2016 $ / shares shares | Nov. 30, 2016 $ / shares shares | Nov. 30, 2015 shares
Stock option price per share | (per share) | $ 0.21 | $ 0.26 | $ 0.30 | $ 0.36 | $ 0.21 | $ 0.26 | $ 0.30 | $ 0.36 |
Number of stock options |  |  |  |  | 4,866,667 | 4,866,667 | 4,625,000 | 4,625,000 | 4,750,000
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.21 | 0.26 | 0.30 | 0.36 |  |  |  |  |
Stock options granted during the year, weighted average exercise price | (per share) | 0.13 | 0.15 | 0.08 | 0.11 |  |  |  |  |
Stock options exercised during the year, weighted average exercise price | (per share) | 0 |  | 0 | 0 |  |  |  |  |
Stock options expired during the year, weighted average exercise price | (per share) | 0.31 | 0.35 | 0.45 | 0.45 |  |  |  |  |
Stock options cancelled during the year, weighted average exercise price | (per share) | 0.32 | 0.37 | 0.33 | 0.39 |  |  |  |  |
March 18, 2017 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) |  |  | 0.31 | 0.35 |  |  | $ 0.31 | $ 0.35 |
Number of stock options |  |  |  |  |  |  | 350,000 | 350,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) |  |  | 0.31 | 0.35 |  |  |  |  |
August 5, 2017 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) |  |  | 0.32 | 0.35 |  |  | $ 0.32 | $ 0.35 |
Number of stock options |  |  |  |  |  |  | 150,000 | 150,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) |  |  | 0.32 | 0.35 |  |  |  |  |
May 8, 2019 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.32 | 0.35 | 0.32 | 0.35 | $ 0.32 | $ 0.35 | $ 0.32 | $ 0.35 |
Number of stock options |  |  |  |  | 600,000 | 600,000 | 600,000 | 600,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.32 | 0.35 | 0.32 | 0.35 |  |  |  |  |
September 10, 2019 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.36 | 0.40 | 0.36 | 0.40 | $ 0.36 | $ 0.40 | $ 0.36 | $ 0.40 |
Number of stock options |  |  |  |  | 550,000 | 550,000 | 1,625,000 | 1,625,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.36 | 0.40 | 0.36 | 0.40 |  |  |  |  |
October 19, 2020 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.29 | 0.38 | 0.29 | 0.38 | $ 0.29 | $ 0.38 | $ 0.29 | $ 0.38 |
Number of stock options |  |  |  |  | 1,150,000 | 1,150,000 | 1,525,000 | 1,525,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.29 | 0.38 | 0.29 | 0.38 |  |  |  |  |
August 17, 2021 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) |  |  | 0.11 | 0.14 |  |  | $ 0.11 | $ 0.14 |
Number of stock options |  |  |  |  |  |  | 25,000 | 25,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) |  |  | 0.11 | 0.14 |  |  |  |  |
October 19, 2021 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.08 | 0.11 | 0.08 | 0.11 | $ 0.08 | $ 0.11 | $ 0.08 | $ 0.11 |
Number of stock options |  |  |  |  | 350,000 | 350,000 | 350,000 | 350,000 |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.08 | 0.11 | $ 0.08 | $ 0.11 |  |  |  |  |
March 22, 2022 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.10 | 0.13 |  |  | $ 0.10 | $ 0.13 |  |  |
Number of stock options |  |  |  |  | 1,150,000 | 1,150,000 |  |  |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.10 | 0.13 |  |  |  |  |  |  |
March 25, 2022 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.15 | 0.20 |  |  | $ 0.15 | $ 0.20 |  |  |
Number of stock options |  |  |  |  | 970,000 | 970,000 |  |  |
Stock options outstanding at end of year, weighted average exercise price | (per share) | 0.15 | 0.20 |  |  |  |  |  |  |
August 16, 2022 [Member] |  |  |  |  |  |  |  |  |
Stock option price per share | (per share) | 0.16 | 0.20 |  |  | $ 0.16 | $ 0.20 |  |  |
Number of stock options |  |  |  |  | 96,667 | 96,667 |  |  |
Stock options outstanding at end of year, weighted average exercise price | (per share) | $ 0.16 | $ 0.20 |  |  |  |  |  |  |

X
- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_MarchOneEightTwoZeroOneSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_AugustFiveTwoZeroOneSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_MayEightTwoZeroOneNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_SeptemberOneZeroTwoZeroOneNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_OctoberOneNineTwoZeroTwoZeroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_AugustOneSevenTwoZeroTwoOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_OctoberOneNineTwoZeroTwoOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_MarchTwoTwoTwoZeroTwoTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_MarchTwoFiveTwoZeroTwoTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sdev_EquityTransactionAxis=sdev_AugustOneSixTwoZeroTwoTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |