Goodwill and Intangible Assets (Details) - Components of Intangible assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
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
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	1,352	1,404
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	4,814	5,072
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 1,224	$ 1,269