Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details - Inventory (Detail)

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Balance Sheet Details - Inventory (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Supplemental Balance Sheet Disclosures [Abstract]    
Work-in-process $ 2,438 $ 3,233
Finished goods 6,224 6,658
Inventory Total $ 8,662 $ 9,891