Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Customer Concentration) (Details)	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Dec. 29, 2013
Distributor A [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	26.00%	15.00%	15.00%	20.00%
Percentage of accounts receivable from major customer	25.00%		25.00%		20.00%
Distributor B [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	12.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	13.00%			10.00%
Customer G [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer	27.00%	68.00%	53.00%	49.00%
Percentage of accounts receivable from major customer	53.00%		53.00%		71.00%