Annual report pursuant to Section 13 and 15(d)

Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail)

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Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail) - USD ($)
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Beginning Balance $ 2,098,991 $ 2,278,862
Bad Debt Expense 727,483 77,012
Write-offs (907,263) (744,233)
Recoveries 345,637 487,350
Ending Balance $ 2,264,848 $ 2,098,991