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Stockholders' Equity and Stock-Based Compensation (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 28, 2014
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Dec. 26, 2009
Dec. 31, 2001
Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     0 0      
Number of shares repurchased since inception   2,241,121          
Value of shares repurchased since inception     $ 8,290,573        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   $ 0 26,000   $ 0    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             200,000
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 3.49          
Proceeds from exercise of stock options and warrants   $ 86,047 137,813 $ 0      
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options   0 $ 0 0      
Error Corrections and Prior Period Adjustments, Description     4.41        
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period 50,000            
Stock-based compensation $ 222,000 $ 3,145,479 $ 4,827,772 $ 4,203,408      
Unvested Restricted Stock Awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value   $ 3.82 $ 3.75        
Restricted stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 4,400,000          
Supplemental Equity Plan 2001 [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Life of award           10 years  
Number of shares that may be issued           0  
Equity Incentive Plan 2001              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares authorized           7,100,000  
Life of award           10 years  
Number of shares that may be issued   0          
2010 Equity Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares that may be issued   2,200,000          
2010 Equity Plan | Employee Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Life of award   10 years          
Purchase price of common stock under equity plans as percent of fair value at the grant date   110.00%          
2010 Equity Plan | Employee Stock Option [Member] | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Purchase price of common stock under equity plans as percent of fair value at the grant date   100.00%          
Period 1 | Unvested Restricted Stock Awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   1 year          
Period 2 | Unvested Restricted Stock Awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   2 years          
Period 3 | Unvested Restricted Stock Awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   4 years