Note 10 - Operations and Industry Segments (Detail) - Information on Industry Segments (USD $)	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Net sales:
Net sales	$ 21,660,524	$ 20,494,621
Operating profit:
Operating profit	2,253,188	1,805,689
Other expense	(10,449)	(14,051)
Income from continuing operations before income taxes	2,066,709	1,691,968
Medical [Member]
Net sales:
Net sales	10,856,967	9,435,292
Operating profit:
Operating profit	528,839	633,829
Custom Products [Member]
Net sales:
Net sales	10,803,557	11,059,329
Operating profit:
Operating profit	1,724,349	1,171,860
Corporate [Member]
Operating profit:
Corporate expense	$ (176,030)	$ (99,670)