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Stockholders' Equity (Details Textual) (USD $)
 12 Months Ended 12 Months Ended
Jan. 03, 2014
Dec. 28, 2012
Dec. 30, 2011
Dec. 31, 2009
Broadwood [Member]
Dec. 31, 2007
Broadwood [Member]
Jan. 03, 2014
Employee Stock Option [Member]
Jan. 03, 2014
Restricted Stock [Member]
Jan. 03, 2014
Restricted Stock Units (RSUs) [Member]
May 13, 2013
2003 Omnibus Plan [Member]
Jan. 03, 2014
Non Vested Share Based Compensation [Member]
Schedule of Employee Service Share-based Compensation [Line Items]                    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 7 months 20 days                  
Estimated Forfeiture Rate 9.92%                  
Compensation Cost Capitalized $ 232,000 $ 150,000 $ 121,000              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                 1,250,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 3.51 $ 6.65 $ 3.85              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value 3,084,000 1,830,000 1,049,000              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 3,894,000 1,240,000 2,533,000              
Unrecognized Stock Based Compensation Expense                   3,500,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross 153,600                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant           1,363,000        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years                  
Warrants Issued       700,000 700,000          
Exercise Price Of Warrants       $ 4.00 $ 4.00          
Warrants Expiration Term       6 years 6 years          
Common Stock Issued Upon Exercise Of Warrants         485,456          
Common Stock Withheld         214,544          
Proceeds from Issuance or Sale of Equity, Total         $ 2,800,000          
Number Of Penalty Warrants To Be Issued       30,000            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period             154,000 135,000