Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets(Parenthetical)

v2.4.0.8
Consolidated Balance Sheets(Parenthetical) (USD $)
Aug. 31, 2013
Nov. 30, 2012
Allowance for doubtful accounts receivable $ 616,110 $ 1,133,561
Reserve for inventory obsolescence $ 711,583 $ 671,609
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Common Stock
   
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 15,000,000 15,000,000
Common Stock, shares issued 6,038,982 6,086,740
Common stock, shares outstanding 6,038,982 6,086,740
Common Class A
   
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 5,000,000 5,000,000
Common Stock, shares issued 967,702 967,702
Common stock, shares outstanding 967,702 967,702