Note 9 - Long-Term Debt (Details Textual) (USD $)	6 Months Ended		3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014	Sep. 27, 2014	Feb. 06, 2012
Amortization of Financing Costs	$ 51,000	$ 51,000
Accumulated Amortization, Deferred Finance Costs	4,500,000		4,500,000		4,400,000
Letter of Credit [Member]
Letters of Credit Outstanding, Amount	1,500,000		1,500,000
Revolving Credit Facility [Member]
Amortization of Financing Costs	51,000	51,000	25,000	25,000
Line of Credit Facility, Maximum Borrowing Capacity						100,000,000
Line of Credit Facility, Current Borrowing Capacity	100,000,000		100,000,000
Long-term Line of Credit	10,000,000		10,000,000
Line of Credit Facility, Remaining Borrowing Capacity	82,600,000		82,600,000
Debt Instrument, Interest Rate, Increase (Decrease)	2.00%
Fixed Charge Coverage Ratio	1.1
Credit Facility Liquidity Amount	$ 13,500,000
Revolving Credit Facility [Member] | Base Rate [Member]
Line of Credit Facility, Interest Rate at Period End	0.50%		0.50%
Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility, Interest Rate at Period End	1.50%		1.50%
Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%