Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

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Borrowings (Details)
 1 Months Ended 6 Months Ended
Mar. 30, 2011
USD ($)
loan
Feb. 28, 2011
USD ($)
payment
Jan. 30, 2011
USD ($)
Jul. 04, 2015
USD ($)
Apr. 04, 2015
USD ($)
Jan. 03, 2015
USD ($)
Borrowings            
Long-term debt, capital lease and other financing obligations       $ 6,126,000   $ 6,256,000
Less current maturities       2,254,000   1,138,000
Long-term debt, capital lease and other financing obligations, less current maturities       $ 3,872,000   5,118,000
Interest rate       one-month LIBOR rate    
AAP            
Borrowings            
Less current maturities       $ 779,000   795,000
Long-term debt, capital lease and other financing obligations, less current maturities       3,795,000   3,737,000
Floating rate term loan, due in monthly installments of $21, plus interest, due February 2021, collateralized by land and building            
Borrowings            
Long-term debt, capital lease and other financing obligations       1,403,000   $ 1,530,000
Floating rate term loan, due in monthly installments of $21, plus interest, due February 2021, collateralized by land and building | PNC            
Borrowings            
Monthly installments   $ 21,000        
Balloon Payment       $ 1,254,000    
Term loan to refinance the existing mortgage     $ 2,550,000      
Number of consecutive monthly principal payments plus interest | payment   119        
Interest rate at the end of the period (as a percent)       3.44%   3.45%
Floating rate term loan, due in monthly installments of $21, plus interest, due February 2021, collateralized by land and building | Base Rate | PNC            
Borrowings            
Interest rate       PNC Base Rate    
Floating rate term loan, due in monthly installments of $21, plus interest, due February 2021, collateralized by land and building | Base Rate, Condition One | PNC            
Borrowings            
Interest rate margin (as a percent)       2.25%    
Floating rate term loan, due in monthly installments of $21, plus interest, due February 2021, collateralized by land and building | LIBOR Rate | PNC            
Borrowings            
Interest rate       1-, 2- or 3-month PNC LIBOR Rate    
Interest rate margin (as a percent)       3.25%    
Floating rate term loans, due in monthly installments of $54, including interest, due March 2021, collateralized by equipment            
Borrowings            
Long-term debt, capital lease and other financing obligations       $ 3,242,000   $ 3,316,000
Floating rate term loans, due in monthly installments of $54, including interest, due March 2021, collateralized by equipment | Susquehanna Bank | AAP            
Borrowings            
Term loan to refinance the existing mortgage $ 4,750,000          
Interest rate at the end of the period (as a percent)       6.00%    
Number of separate commercial term loans entered into during period | loan 3          
Term Loans maturity period (in years) 10 years          
Floating rate term loans, due in monthly installments of $54, including interest, due March 2021, collateralized by equipment | Base Rate | Susquehanna Bank | AAP            
Borrowings            
Interest rate margin (as a percent)       2.75%    
Floating rate term loans, due in monthly installments of $54, including interest, due March 2021, collateralized by equipment | Prime | Susquehanna Bank | AAP            
Borrowings            
Interest rate       Prime    
Debt instrument term loan one | Susquehanna Bank | AAP            
Borrowings            
Term loan to refinance the existing mortgage $ 2,100,000          
Debt instrument term loan two | Susquehanna Bank | AAP            
Borrowings            
Term loan to refinance the existing mortgage 1,400,000          
Debt instrument term loan three | Susquehanna Bank | AAP            
Borrowings            
Term loan to refinance the existing mortgage $ 1,250,000          
2.75% note, due in monthly installments of $3, including interest, due October 2024, collateralized by equipment            
Borrowings            
Long-term debt, capital lease and other financing obligations       $ 332,000   348,000
Stated interest rate (as a percent)       2.75%    
Monthly installments       $ 3,000    
10.00% note, due in monthly installments of $10, including interest, due December 2014            
Borrowings            
Stated interest rate (as a percent)       10.00%    
Monthly installments       $ 13,000    
Capital leases and other financing obligations            
Borrowings            
Long-term debt, capital lease and other financing obligations       1,149,000   1,062,000
Capital leases and other financing obligations            
Cost of equipment acquired under capital leases and other financing obligations       2,667,000    
Accumulated amortization       $ 1,609,000   $ 1,588,000