Stock Compensation (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Oct. 06, 2012	Oct. 01, 2011	Oct. 06, 2012	Oct. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Terms			25% per year over four years
Allocated Share-based Compensation Expense	$ 176,000	$ 163,000	$ 582,000	$ 519,000
Employee and Non Employee Service Share-based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized	$ 1,100,000	$ 1,000,000	$ 1,100,000	$ 1,000,000
Director Fees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period			27,646
Director Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period			37,500
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period			200,000