Current and Expected Amortization Expense of Intangible Assets (Detail) $ in Thousands |
6 Months Ended |
|---|---|
|
May 31, 2019
USD ($)
| |
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Amortization expense for the six months ended May 31, 2019 | $ 5 |
| Remaining estimated amortization expense for the year ending November 30: | |
| 2019 | 5 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 and thereafter | $ 239 |