Concentration of Risk and Segment Information (Details Textual)	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Customer Concentration Risk [Member]
Geographic Areas, Revenues from External Customers
Percentage Of Revenue From Major Customers Or Licensees	44.00%	48.00%	49.00%
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	66.00%	68.00%
Apple Inc. [Member]
Geographic Areas, Revenues from External Customers
Percentage Of Revenue From Major Customers Or Licensees	14.00%	19.00%	20.00%
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	12.00%	34.00%
Best Buy Co., Inc. [Member]
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	13.00%	10.00%
HP, Inc. [Member]
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	13.00%
HP Enterprise Company [Member]
Accounts Receivable, Net [Abstract]
Percentage of Accounts Receivable from Major Customers	10.00%