Retirement Plan - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Nov. 30, 2017 |
Nov. 30, 2016 |
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| Defined Benefit Plan [Abstract] | ||
| Amount allows under 401(k) retirement plan | 15.00% | |
| Contribution to 401(k) retirement plan | $ 141,000 | $ 121,000 |
| X | ||||||||||
- Definition Defined contribution plan employer matching contribution amount. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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