Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Federal Statutory Rate to Pretax Income (Detail)

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Income Taxes - Summary of Federal Statutory Rate to Pretax Income (Detail) - USD ($)
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Income Tax Disclosure [Abstract]    
Tax at federal statutory rate, Amount $ 548,358 $ 1,061,885
State income tax effect, Amount 175,654 282,514
Change in valuation allowance, Amount 20,262 (147,528)
Tax compensation differences, Amount 212,217 6,870
Permanent disallowances, Amount 34,356 55,372
Deferred repricing, Amount (334,874) 80,692
Other, Amount (93,976) 74,922
Foreign tax credits, Amount   (68,102)
Foreign tax withholding, Amount (34,287) 68,102
Income tax expense $ 527,710 $ 1,414,727
Tax at federal statutory rate, Rate 21.00% 21.00%
State income tax effect, Rate 6.73% 5.59%
Change in valuation allowance, Rate 0.77% (2.92%)
Tax compensation differences, Rate 8.13% 0.14%
Permanent disallowances, Rate 1.31% 1.10%
Deferred repricing, Rate (12.82%) 1.60%
Other, Rate (3.60%) 1.47%
Foreign tax credits, Rate   (1.35%)
Foreign tax withholding, Rate (1.31%) 1.35%
Total income taxes, Rate 20.21% 27.98%