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Goodwill and Intangible Assets (Details) - Components of Intangible assets (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible Assets, Gross | $ 7,390 | $ 7,745 |
| Less accumulated amortization | (3,882) | (3,376) |
| Intangible assets, Net | 3,508 | 4,369 |
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Trade Names [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible Assets, Gross | 1,352 | 1,404 |
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Patents [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible Assets, Gross | 4,814 | 5,072 |
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Customer Relationships [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible Assets, Gross | $ 1,224 | $ 1,269 |