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Income Taxes - Summary of Federal Statutory Rate and Provision for Income (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Income Tax Disclosure [Abstract]        
Income tax expense at federal rate     $ 152,003  
State tax expense, net of Federal effect     18,893  
Permanent Differences:        
Meals and entertainment     17,168  
Officer's life insurance     1,003  
Total permanent differences     18,171  
Prior period over/under accrual     8,475  
Rounding     (1)  
Total income tax (benefit) $ 205,973 $ 110,834 $ 197,541 $ 200,784
Income tax expense at federal rate, percentage     34.00%  
State tax expense, net of Federal effect, percentage     4.23%  
Permanent Differences:        
Meals and entertainment, percentage     3.84%  
Officer's life insurance, percentage     0.22%  
Total permanent differences, percentage     4.06%  
Prior period over/under accrual, percentage     1.90%  
Rounding, percentage     0.00%  
Total income tax (benefit), percentage     44.19%