Property And Equipment, Net (Schedule Of Property And Equipment) (Details) (USD $)	Oct. 31, 2012	Oct. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 31,813,914	$ 31,401,395
Less accumulated amortization and depreciation	(20,165,748)	(18,856,930)
Property and equipment, net	11,648,166	12,544,465
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	3,144,068	3,144,068
Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	7,914,321	7,761,553
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	19,354,823	19,242,068
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	953,381	932,859
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 447,321	$ 320,847

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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