5. Inventory (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventory Details
Raw materials	$ 16,615us-gaap_InventoryRawMaterials	$ 16,243us-gaap_InventoryRawMaterials
Work in process	20,964	13,379
Finished goods	5,986us-gaap_InventoryFinishedGoods	4,158us-gaap_InventoryFinishedGoods
Inventories	$ 43,565us-gaap_InventoryNet	$ 33,780us-gaap_InventoryNet

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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 reserves of merchandise or goods held by the entity that are readily available for sale and items held by the entity which are partially complete or in the process of being readied for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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-Name Regulation S-X (SX)

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