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, 2013
Nov. 30, 2012
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Beginning Balance $ 1,367,465 $ 942,533
Bad Debt Expense 816,464 746,007
Write-offs (267,620) (434,401)
Recoveries 78,266 113,326
Ending Balance $ 1,994,575 $ 1,367,465