Stock-Based Compensation (Details Textual) (USD $)	6 Months Ended
	Jun. 28, 2013	Dec. 28, 2012
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	3,660,000	3,376,000
Common stock, shares outstanding	36,628,000	36,423,000
Estimated Forfeiture Rate	9.92%
Common stock, shares authorized	60,000,000	60,000,000
Share based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term Of Options Granted	15 years
Restricted Stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Common stock, shares outstanding	341,100
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	1,467,436
Common stock, shares authorized	1,467,436
2003 Stock Option Plan [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	3,660,000
Lower Range of Exercise Prices	$ 0.95
Upper Range of Exercise Prices	$ 11.02
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	10 years