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Acquisition - Schedule of Unaudited Pro Forma Results (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2018 | Aug. 31, 2017 | Aug. 31, 2018 | Aug. 31, 2017
Business Combinations [Abstract] |  |  |  |
Revenue | $ 7,871,222 | $ 8,212,179 | $ 22,794,591 | $ 22,858,031
Net income (loss) | $ 244,984 | $ (83,925) | $ (3,797,189) | $ (594,359)
Earnings (loss) per share: |  |  |  |
Basic | $ 0.03 | $ (0.01) | $ (0.52) | $ (0.08)
Diluted | $ 0.03 | $ (0.01) | $ (0.52) | $ (0.08)

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