Inventories (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Inventories
Raw materials	$ 8,685	$ 6,627
Work in process	1,278	1,056
Finished goods	3,537	3,365
Total inventory	$ 13,500	$ 11,048

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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