XML 53 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 9 - Long-term Debt (Details Textual)
3 Months Ended 9 Months Ended
Jun. 30, 2018
USD ($)
Jul. 01, 2017
USD ($)
Jun. 30, 2018
USD ($)
Jul. 01, 2017
USD ($)
Letters of Credit Outstanding, Amount $ 1,800,000   $ 1,800,000  
Amortization of Debt Issuance Costs 16,000 $ 16,000 48,000 $ 48,000
Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity 100,000,000   100,000,000  
Line of Credit Facility, Remaining Borrowing Capacity 100,000,000   100,000,000  
Long-term Line of Credit, Total 0   0  
Line of Credit Facility, Current Borrowing Capacity $ 82,500,000   $ 82,500,000  
Debt Instrument, Interest Rate, Increase (Decrease)     2.00%  
Fixed Charge Coverage Ratio     1.1  
Credit Facility, Liquidity Amount     $ 12,500,000  
Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member]        
Debt Instrument, Basis Spread on Variable Rate     0.50%  
Revolving Credit Facility [Member] | Base Rate [Member]        
Line of Credit Facility, Interest Rate at Period End 0.25%   0.25%  
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]        
Debt Instrument, Basis Spread on Variable Rate     0.25%  
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]        
Debt Instrument, Basis Spread on Variable Rate     0.75%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Line of Credit Facility, Interest Rate at Period End 1.25%   1.25%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]        
Debt Instrument, Basis Spread on Variable Rate     1.25%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]        
Debt Instrument, Basis Spread on Variable Rate     1.75%