Intangibles Assets, net (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 29, 2012	Sep. 29, 2012	Oct. 01, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 215,000	$ 215,000
Amortization of Intangible Assets	0	0	0
Finite-Lived Intangible Assets, Gross	8,800,000	8,800,000
Finite-Lived Intangible Assets, Accumulated Amortization	600,000	600,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	895,000	895,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	881,000	881,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	848,000	848,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	799,000	799,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	4,533,000	4,533,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	11 years 10 months 24 days
Finite-Lived Intangible Assets, Net	8,171,000	8,171,000
Payments to acquire rights to patents and patent applications	$ 8,000,000	$ 8,000,000	$ 0