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BALANCE SHEET DETAILS - Components of Other Current Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2014
Dec. 31, 2013
Balance Sheet Related Disclosures [Abstract]    
Warranty $ 2,261 $ 1,786
Value-added tax 921 358
Accrued restructuring charge, current 502 812
Other 1,511 1,166
Other current liabilities $ 5,195 $ 4,122