Note 13 - Income Taxes - Federal, State and Foreign Income Tax Provisions (Details) - USD ($)	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Current:
Federal	$ 1,706,000	$ 1,166,000	$ 1,125,000
State	99,000	34,000	20,000
Foreign	210,000	349,000	(150,000)
	2,015,000	1,549,000	995,000
Deferred:
Federal	(132,000)	102,000	(11,000)
State	(6,000)	8,000	1,000
Foreign	(50,000)	13,000	53,000
	(188,000)	123,000	43,000
Income tax expense	$ 1,827,000	$ 1,672,000	$ 1,038,000