Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Customer Concentration) (Details)

3 Months Ended

6 Months Ended

Jun. 30, 2013

Jul. 01, 2012

Apr. 01, 2012

Jun. 30, 2013

Dec. 30, 2012

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

46.00%

Distributor A [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

19.00%

20.00%

26.00%

27.00%

Percentage of accounts receivable from major customer

27.00%

35.00%

Distributor C [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

19.00%

12.00%

Distributor B [Member]

Revenue, Major Customer [Line Items]

Percentage of accounts receivable from major customer

14.00%

Distributor D [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

21.00%

19.00%

Customer B [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

14.00%

11.00%

15.00%

18.00%

Customer D [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

14.00%

11.00%

Customer F [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

10.00%

Customer G [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

46.00%

29.00%

Percentage of accounts receivable from major customer

50.00%