Note 11 - Revolving Credit Facility (Detail) (USD $)	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010	Nov. 01, 2012
Line of Credit Facility, Maximum Borrowing Capacity	$ 10,000,000
Line of Credit Facility, Interest Rate at Period End				1.062%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	25.00%
Debt Instrument, Unused Borrowing Capacity, Amount	5,000,000
Interest Expense	20,861	0	0
Line of Credit Facility, Amount Outstanding	0
Approximation [Member]
Interest Expense	$ 21,000
Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate (in Basis Points)	0.85%
Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate (in Basis Points)	1.65%