401(K) Plan (Details) - USD ($)  | 
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2017  | 
Aug. 31, 2016  | 
Aug. 31, 2017  | 
Aug. 31, 2016  | 
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| 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, percent | 3.00% | |||
| Employers matching contribution, annual vesting percentage | 100.00% | |||
| Company Contributions | $ 8,925 | $ 0 | $ 16,568 | $ 0 | 
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- Definition Employees Salary Reduction Contributions No definition available. 
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- Definition Profit sharing criteria minimum age requirement. No definition available. 
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- Definition Profit sharing criteria period of employees service No definition available. 
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- References No definition available. 
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available. 
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- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. No definition available. 
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