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Inventory (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Inventory [Line Items]
Raw materials	$ 6,211	$ 5,465
Work in progress	9,735	15,471
Finished goods	10,067	326
Finished goods inventory held by others	1,422
Inventory	$ 27,435	$ 21,262

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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- Definition

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

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