Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

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Borrowings (Details)
 1 Months Ended 6 Months Ended 9 Months Ended
Oct. 03, 2015
USD ($)
May. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Mar. 30, 2011
USD ($)
loan
Feb. 28, 2011
USD ($)
payment
Jan. 30, 2011
USD ($)
Jul. 04, 2015
Oct. 03, 2015
USD ($)
Jan. 03, 2015
USD ($)
Borrowings                  
Long-term debt, capital lease and other financing obligations $ 6,012,000             $ 6,012,000 $ 6,256,000
Less current maturities 2,363,000             2,363,000 1,138,000
Long-term debt, capital lease and other financing obligations, less current maturities 3,649,000             $ 3,649,000 5,118,000
Interest rate               one-month LIBOR rate  
AAP                  
Borrowings                  
Less current maturities 959,000             $ 959,000 795,000
Long-term debt, capital lease and other financing obligations, less current maturities 3,586,000             3,586,000 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 1,339,000             1,339,000 $ 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             $ 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) 7.50%             7.50% 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) 4.25%             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             $ 3,242,000 $ 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%             6.00%  
Amount of deferred principal reductions               $ 300,000  
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          
Promissory Notes | AAP                  
Borrowings                  
Stated interest rate (as a percent) 8.00%             8.00%  
Term loan to refinance the existing mortgage     $ 325,000            
Repayments of debt   $ 125,000              
Debt outstanding $ 200,000             $ 200,000  
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 $ 324,000             $ 324,000 348,000
Stated interest rate (as a percent) 2.75%             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%             10.00%  
Monthly installments               $ 13,000  
Capital leases and other financing obligations                  
Borrowings                  
Long-term debt, capital lease and other financing obligations $ 1,107,000             1,107,000 1,062,000
Capital leases and other financing obligations                  
Cost of equipment acquired under capital leases and other financing obligations 2,667,000             2,667,000  
Accumulated amortization $ 1,644,000             $ 1,644,000 $ 1,588,000