Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Customer Concentration) (Details)	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011	Jan. 01, 2012
Distributor A [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	20.00%	44.00%	26.00%	40.00%
Percentage of accounts receivable from major customer	26.00%		26.00%		30.00%
Distributor B [Member]
Revenue, Major Customer [Line Items]
Percentage of accounts receivable from major customer	13.00%		13.00%
Distributor C [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	19.00%		19.00%
Distributor D [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	21.00%	16.00%	19.00%	15.00%
Percentage of accounts receivable from major customer	10.00%		10.00%
Customer D [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	14.00%		11.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	11.00%	21.00%	15.00%	18.00%
Customer E [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		14.00%
Customer F [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	10.00%		10.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Percentage of accounts receivable from major customer					23.00%