Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Customer Concentration) (Details)	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Distributor A [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	27.00%	39.00%	24.00%
Percentage of accounts receivable from major customer	35.00%	30.00%
Distributor B [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer			12.00%
Percentage of accounts receivable from major customer	14.00%
Distributor C [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	19.00%	10.00%
Distributor D [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	10.00%	13.00%	22.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	14.00%	15.00%	11.00%
Customer E [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		11.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Percentage of accounts receivable from major customer		23.00%
Customer F [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	10.00%