CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Apr. 30, 2012	Oct. 31, 2011
Cash and cash equivalents	$ 3,812,724	$ 1,760,816
Trade accounts receivable, allowance for doubtful accounts	66,174	102,736
Trade accounts receivable	3,107,941	2,605,965
Inventories	6,448,990	6,189,601
Other current assets	513,533	511,832
Deferred tax assets	610,700	610,700
Land and building		1,548,100
Equipment and tooling	3,163,330	2,938,388
Furniture and office equipment	795,021	575,586
Other assets	32,159	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	6,859,811	7,110,507
Common stock, shares outstanding	6,859,811	7,110,507