Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Revenue by Geographical Area) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013		Dec. 30, 2012		Jan. 01, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 26,072	[1]	$ 14,944	[1]	$ 20,969	[1]
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	14,675		49		399
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	3,722		5,049		8,271
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,788		2,414		4,127
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,082		1,714		1,780
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,068		3,316		2,733
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,212		1,725		3,032
Rest of North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	463		327		326
Rest of Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 62		$ 350		$ 301

[1] For all periods presented: New products include ArcticLink®, ArcticLink II, ArcticLink III, Eclipse™ II, PolarPro®, PolarPro II, and QuickPCI II. Mature products include Eclipse, EclipsePlus, pASIC® 1, pASIC 2, pASIC 3, QuickFC, QuickMIPS, QuickPCI, QuickRAM, and V3, as well as royalty revenue, programming hardware and software.