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Stockholders' Equity and Stock-Based Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
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]              
Excess Stock, Shares Authorized 11,600,000            
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         $ 26,000    
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 $ 0 86,047 $ 137,813        
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options 0            
Stock-based compensation $ 2,425,326 $ 3,145,479   $ 4,827,772      
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 $ 3.21 $ 3.82          
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 $ 5,900,000            
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 500,000            
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