401(k) Plan (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
|
| Retirement Benefits [Abstract] | ||
| Profit sharing criteria period of employees service | 6 months | |
| Profit sharing criteria minimum age requirement | 21 years | |
| Employees salary reduction contributions | 25.00% | |
| Employer matching contribution | 3.00% | |
| Contributions by employer | $ 20,199 | $ 1,514 |