Note 7 - Product Warranties (Details) - Changes in Product Warranty Liability (USD $)	6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Changes in Product Warranty Liability [Abstract]
Accrued liability at beginning of period	$ 318,824	$ 378,643
Increase in reserve	87,597	37,403
Expenses	(120,253)	(68,674)
Accrued liability at end of period	$ 286,168	$ 347,372