Note 10 - Operations and Industry Segments (Details) - Information on Industry Segments (USD $)	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 18,621,212	$ 16,937,129	$ 56,904,627	$ 58,364,557
Operating profit	1,996,109	1,339,500	6,203,783	6,009,254
Other expense	(2,337)	(22,447)	(39,994)	(47,463)
Income before income taxes	1,811,884	1,123,454	5,664,330	5,501,420
Medical [Member]
Segment Reporting Information [Line Items]
Net sales	13,427,180	11,618,522	36,319,007	34,792,619
Operating profit	1,816,406	1,101,343	4,129,152	3,809,075
Custom Products [Member]
Segment Reporting Information [Line Items]
Net sales	5,194,032	5,318,607	20,585,620	23,571,938
Operating profit	179,703	238,157	2,074,631	2,200,179
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Corporate expense	$ (181,888)	$ (193,599)	$ (499,459)	$ (460,371)