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

3 Months Ended

9 Months Ended

Sep. 30, 2012

Oct. 02, 2011

Sep. 30, 2012

Oct. 02, 2011

Jan. 01, 2012

Distributor A [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

28.00%

50.00%

27.00%

43.00%

Percentage of accounts receivable from major customer

28.00%

30.00%

Distributor B [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

10.00%

Percentage of accounts receivable from major customer

18.00%

Distributor C [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

22.00%

Percentage of accounts receivable from major customer

19.00%

Distributor D [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

11.00%

13.00%

Customer B [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

12.00%

13.00%

14.00%

17.00%

Percentage of accounts receivable from major customer

12.00%

Customer E [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

24.00%

13.00%

Customer F [Member]

Revenue, Major Customer [Line Items]

Percentage of revenue from major customer

13.00%

11.00%

Customer C [Member]

Revenue, Major Customer [Line Items]

Percentage of accounts receivable from major customer

23.00%