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Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail) - USD ($)
12 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Beginning Balance $ 2,278,862 $ 2,067,130
Bad Debt Expense 77,012 630,113
Write-offs (744,233) (791,434)
Recoveries 487,350 373,053
Ending Balance $ 2,098,991 $ 2,278,862