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Property and Equipment (Details) - Components of Property and equipment (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | $ 16,805 | $ 16,995 |
| Less accumulated depreciation | (15,346) | (14,995) |
| Property and equipment, Net | 1,459 | 2,000 |
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Building and Building Improvements [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | 715 | 855 |
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Furniture and Fixtures [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | 2,360 | 2,357 |
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Computer Hardware And Software [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | 1,460 | 1,477 |
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Machinery and Equipment [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | 12,233 | 12,269 |
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Vehicles [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, Gross | $ 37 | $ 37 |