Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
Nov. 30, 2011
Nov. 30, 2010
Consolidated Balance Sheets [Abstract]    
Accounts receivable and advances, allowance for doubtful accounts $ 942,533 $ 783,354
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 11,853,227 11,752,574
Common stock, shares outstanding 11,853,227 11,752,574