Note 10 - Product Warranties (Details) - Changes in Product Warranty Liability (USD $)	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Changes in Product Warranty Liability [Abstract]
Accrued liability at beginning of year	$ 378,643	$ 480,000
Increase (Decrease) in reserve	111,872	(51,345)
Increase in reserve as a result of MCHP asset acquisition		39,000
Expenses	(171,691)	(89,012)
Accrued liability at end of year	$ 318,824	$ 378,643