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Inventory (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Inventory [Line Items]
Raw materials, current	$ 4,246	$ 5,465
Work in process	11,310	15,471
Finished goods	5,026	326
Finished goods inventory held by others	627
Total inventory, current	21,209	21,262
Raw materials, long-term	5,482
Total inventory	$ 26,691	$ 21,262

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available 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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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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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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Gross amount of inventory owned by the entity but in the hands of a customer, typically a reseller.

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