Concentration of Risk and Segment Information (Details Textual)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Geographic Areas, Revenues from External Customers
Percentage Of Revenue From Major Customers Or Licensees	49.00%	43.00%	48.00%
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	64.00%	64.00%
Apple Inc. [Member]
Geographic Areas, Revenues from External Customers
Percentage Of Revenue From Major Customers Or Licensees	20.00%	13.00%
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	32.00%	34.00%
Samsung Electronics Co., Ltd. [Member]
Geographic Areas, Revenues from External Customers
Percentage Of Revenue From Major Customers Or Licensees			10.00%
Best Buy Co., Inc. [Member]
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	11.00%