Share-based Compensation Arrangement by Share-based Payment Award, Remaining Contractual Term, Outstanding and Exercisable (Details) |
12 Months Ended | |
|---|---|---|
Nov. 30, 2017 |
Nov. 30, 2016 |
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| Total outstanding options, weighted average remaining contractual life | 3 years 4 months 24 days | 2 years 9 months 18 days |
| Total exercisable options, weighted average remaining contractual life | 2 years 8 months 12 days | 2 years 9 months 18 days |
| X | ||||||||||
- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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