Geographic and Significant Customer Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014 segment	Mar. 30, 2013
Geographic and Significant Customer Information [Abstract]
Number of operating segments	1
Total net revenues:
Total net revenues	$ 51,576	$ 24,552
United States [Member]
Total net revenues:
Total net revenues	6,741	9,433
Japan [Member]
Total net revenues:
Total net revenues	3,684	5,212
Taiwan [Member]
Total net revenues:
Total net revenues	4,416	2,310
China [Member]
Total net revenues:
Total net revenues	15,488	644
South Korea [Member]
Total net revenues:
Total net revenues	15,889	3,547
Other [Member]
Total net revenues:
Total net revenues	$ 5,358	$ 3,406