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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Oct. 31, 2012
Oct. 31, 2011
Cash and cash equivalents $ 5,491,768 $ 1,760,816
Trade accounts receivable 95,500 102,736
Inventories 6,984,546 6,189,601
Other current assets 639,954 511,832
Deferred tax assets 760,966 610,700
Land and building    1,548,100
Equipment and tooling 2,348,955 2,938,388
Furniture and office equipment 655,714 575,586
Other assets 34,658 102,828
Mortgages payable   1,394,230
Common stock, authorized 20,000,000 20,000,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares issued 6,978,374 7,110,507
Common stock, shares outstanding 6,978,374 7,110,507
Variable Interest Entity
    
Cash and cash equivalents   420,663
Trade accounts receivable   809,120
Inventories   487,687
Other current assets 23,801 33,263
Deferred tax assets   42,100
Land and building   1,548,100
Equipment and tooling   305,399
Furniture and office equipment   16,150
Other assets 69,784 70,688
Mortgages payable $ (1,408,249) $ 1,394,230