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Composition of Certain Financial Statement Items (Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Balance Sheet Related Disclosures [Abstract]
Raw materials	$ 7,893	$ 4,132
Work in process	4,481	1,696
Finished goods	13,605	3,648
Inventory, net	$ 25,979	$ 9,476

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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