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Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $)
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12 Months Ended | |||||||||||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
Land [Member]
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Dec. 31, 2011
Land [Member]
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Dec. 31, 2012
Building And Improvements [Member]
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Dec. 31, 2011
Building And Improvements [Member]
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Dec. 31, 2012
Machinery And Equipment [Member]
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Dec. 31, 2011
Machinery And Equipment [Member]
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Dec. 31, 2012
Furniture And Fixtures [Member]
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Dec. 31, 2011
Furniture And Fixtures [Member]
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Dec. 31, 2012
Construction In Progress [Member]
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Dec. 31, 2011
Construction In Progress [Member]
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Dec. 31, 2012
Minimum [Member]
Building And Improvements [Member]
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Dec. 31, 2012
Minimum [Member]
Machinery And Equipment [Member]
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Dec. 31, 2012
Minimum [Member]
Furniture And Fixtures [Member]
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Dec. 31, 2012
Maximum [Member]
Building And Improvements [Member]
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Dec. 31, 2012
Maximum [Member]
Machinery And Equipment [Member]
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Dec. 31, 2012
Maximum [Member]
Furniture And Fixtures [Member]
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| Property, Plant and Equipment [Line Items] | ||||||||||||||||||
| Total property, plant and equipment | $ 40,433,253 | $ 39,642,298 | $ 3,135,351 | $ 3,114,330 | $ 8,858,976 | $ 8,779,969 | $ 23,247,888 | $ 23,266,325 | $ 3,644,306 | $ 3,966,579 | $ 1,546,732 | $ 515,095 | ||||||
| Less accumulated depreciation | (25,958,340) | (25,623,279) | ||||||||||||||||
| Property, plant and equipment, net | $ 14,474,913 | $ 14,019,019 | ||||||||||||||||
| Estimated useful life | 7 years | 3 years | 5 years | 40 years | 15 years | 10 years | ||||||||||||