Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Summary of Significant Accounting Policies - Schedule of Change in Assets and Liabilities From Contracts With Customers (Detail)

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Description of Business and Summary of Significant Accounting Policies - Schedule of Change in Assets and Liabilities From Contracts With Customers (Detail) - USD ($)
 9 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Accounting Policies [Abstract]    
Contract assets (sales commissions), Beginning balance $ 398,535 $ 329,231
Contract assets (sales commissions), Additions 68,152 67,668
Contract assets (sales commissions), Deductions (16,049) (13,500)
Contract assets (sales commissions), Ending balance 450,638 383,399
Account receivables, Beginning balance 6,097,331 5,867,335
Account receivables, Additions 28,361,238 27,615,196
Account receivables, Deductions (27,955,019) (27,594,375)
Account receivables , Ending balance 6,503,550 5,888,156
Contract liabilities (deferred revenue), Beginning balance 32,508,511 28,682,515
Contract liabilities (deferred revenue), Additions 13,045,728 14,184,601
Contract liabilities (deferred revenue), Deductions (10,245,771) (11,192,801)
Contract liabilities (deferred revenue), Ending balance $ 35,308,468 $ 31,674,315