Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details 1)

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Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Summary of amortization expense for acquired intangibles        
Amortization Expense $ 304 $ 103 $ 653 $ 217