Annual report pursuant to Section 13 and 15(d)

Line of Credit (Narrative) (Details)

v3.6.0.2
Line of Credit (Narrative) (Details)
 12 Months Ended
Dec. 29, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Aug. 01, 2015
USD ($)
BMO Harris Bank (The Credit Agreement) [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility, maximum borrowing capacity $ 10,000,000      
Commitment fee   0.10%    
Line of credit facility, expiration date   Dec. 29, 2017    
Line of credit facility, amount outstanding   $ 0 $ 0  
Pledge percentage   65.00%    
Midland States Bank (The Loan Agreement) [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility, maximum borrowing capacity       $ 2,000,000
Ratio of total liabilities to total stockholders equity   1    
Line of credit facility, interest rate at period end     3.25%  
Line of credit penalty 0      
Line of credit facility, expiration date   Aug. 01, 2016    
Line of credit facility, amount outstanding $ 0   $ 0  
London Interbank Offered Rate (LIBOR) [Member] | BMO Harris Bank (The Credit Agreement) [Member]        
Line of Credit Facility [Line Items]        
Debt instrument, basis spread on variable rate   2.25%    
Inventory [Member] | Midland States Bank (The Loan Agreement) [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility, percentage of assets borrowing   50.00%    
Minimum [Member] | Midland States Bank (The Loan Agreement) [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility, percentage of assets borrowing   70.00%    
Maximum [Member] | Midland States Bank (The Loan Agreement) [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility, percentage of assets borrowing   80.00%