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Inventories (Details) (USD $)
In Thousands, unless otherwise specified

Mar. 31, 2013

Dec. 31, 2012

Schedule of inventories [Abstract]

Raw materials and work-in-process

$ 9,494

$ 9,012

Finished goods

11,988

13,455

Total inventories

$ 21,483

^[1]

$ 22,467

[1]	(unaudited)

- Definition

The aggregate carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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