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Stock Based Compensation (Summary of Stock Option Activity Under The Company's Stock Option Plans) (Details) - Stock Option [Member] - USD ($)
 12 Months Ended
Dec. 29, 2017
Jan. 01, 2016
Dec. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding, Option Shares, Beginning Balance 230,167 297,667  
Exercised, Option Shares (50,000) (67,500)  
Outstanding, Option Shares, Ending Balance 180,167 230,167  
Exercisable, Option Shares 180,167 90,167 230,167
Outstanding, Weighted Average Exercise Price, Beginning Balance $ 4.00 $ 4.00  
Exercised, Weighted Average Exercise Price 4.00 3.99  
Outstanding, Weighted Average Exercise Price, Ending Balance 4.00 4.00  
Exercisable, Weighted Average Exercise Price $ 4.00 $ 4.00 $ 4.00
Outstanding, Weighted Average Remaining Contractual Term 4 years 2 months 19 days    
Exercisable, Weighted Average Remaining Contractual Term 4 years 2 months 19 days    
Outstanding, Aggregate Intrinsic Value $ 2,109,818    
Exercisable, Aggregate Intrinsic Value $ 2,109,818