Quarterly report pursuant to Section 13 or 15(d)

Components of Inventory (Detail)

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Components of Inventory (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Components of inventory, net of allowances    
Raw materials $ 3,263 $ 3,094
Work-in-process 1,688 1,727
Finished goods 6,848 6,557
Inventory, net $ 11,799 $ 11,378