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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Inventory [Line Items]
Inventory, Raw Materials, Net of Reserves	$ 6,464	$ 7,629
Inventory, Work in Process, Net of Reserves	3,895	3,889
Inventory, Finished Goods, Net of Reserves	5,345	3,604
Inventories	$ 15,704	$ 15,122

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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