Long-Term Debt And Note Payable To Bank (Schedule Of Debt) (Details) (USD $)			9 Months Ended		9 Months Ended
Jul. 31, 2012	Oct. 31, 2011	Jul. 31, 2012 Virginia Real Estate Loan [Member]	Oct. 31, 2011 Virginia Real Estate Loan [Member]	Jul. 31, 2012 North Carolina Real Estate Loan [Member]	Oct. 31, 2010 North Carolina Real Estate Loan [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 8,048,364	$ 8,190,904	$ 5,985,626	$ 6,091,633	$ 2,062,738	$ 2,099,271
Less current installments	200,565	190,593
Long-term debt, excluding current installments	7,847,799	8,000,311
Debt instrument, principal amount			6,500,000		2,240,000
Debt instrument, periodic payment			41,686		14,366
Debt instrument, interest rate, stated percentage			5.85%		5.85%
Final payments of debt			$ 5,035,789		$ 1,735,410
Debt instrument, maturity date			Apr. 30, 2018		Apr. 30, 2018

Final payments of debt.

No definition available.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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Interest rate stated in the contractual debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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