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Income Taxes - Summary of Federal Statutory Rate to Pretax Income (Detail) - USD ($) | 12 Months Ended
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Nov. 30, 2017 | Nov. 30, 2016
Income Tax Disclosure [Abstract] |  |
Tax at Federal Statutory Rate, Amount | $ 1,195,000 | $ (880,000)
State Income Tax Effect, Amount | 179,000 | (94,000)
Valuation Allowance Release, Amount |  | (329,000)
Permanent Disallowances, Amount | 159,000 | 184,000
Deferred Repricing, Amount | (343,000) |
Other, Amount | 119,000 | (40,000)
Foreign tax credits, Amount | (108,000) | (109,000)
Foreign tax withholding, Amount | 108,000 | 109,000
Income Tax (Benefit) Expense | $ 1,308,603 | $ (1,159,412)
Tax at Federal Statutory Rate | 34.00% | 34.00%
State Income Tax Effect, Rate | 5.10% | 3.60%
Valuation Allowance Release, Rate | (0.00%) | (12.70%)
Permanent Disallowances, Rate | 4.50% | (7.30%)
Deferred Repricing, Rate | (9.80%) |
Other, Rate | 3.40% | 1.60%
Foreign tax credits, Rate | (3.10%) | 4.30%
Foreign tax withholding, Rate | 3.10% | (4.30%)
Total income taxes, Rate | 37.20% | 47.70%

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