Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail) - USD ($)
12 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Beginning Balance $ 2,584,091 $ 2,264,848
Bad Debt Expense 602,965 767,128
Write-offs (751,848) (756,688)
Recoveries 346,460 308,803
Ending Balance $ 2,781,668 $ 2,584,091