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Property And Equipment, Net (Schedule Of Property And Equipment) (Details) (USD $)
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Oct. 31, 2012
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Oct. 31, 2011
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|---|---|---|
| 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 |
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Land [Member]
|
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, at cost | 3,144,068 | 3,144,068 |
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Building And Improvements [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, at cost | 7,914,321 | 7,761,553 |
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Machinery And Equipment [Member]
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||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, at cost | 19,354,823 | 19,242,068 |
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Furniture And Fixtures [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, at cost | 953,381 | 932,859 |
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Construction In Progress [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, at cost | $ 447,321 | $ 320,847 |