Note 19 - Operations and Industry Segments and Geographic Areas (Detail) - Information on Industry Segments (USD $)	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Net Sales	$ 76,146,423	$ 52,578,372	$ 52,355,662
Operating Profit	8,147,375	6,185,454	7,370,706
Corporate expense	(637,310)	(710,281)	(636,685)
Other (expense) income	(44,092)	18,893	52,194
Income from continuing operations before income taxes	7,465,973	5,494,066	6,786,215
Identifiable Assets	37,647,766	30,596,000	27,212,188
Depreciation and Amortization Expenses	1,209,326	809,696	813,291
Capital Expenditures	684,327	191,209	270,576
Medical [Member]
Net Sales	46,452,008	34,741,164	35,572,689
Operating Profit	5,349,910	4,666,538	5,742,600
Identifiable Assets	23,814,524	15,209,839	14,439,795
Depreciation and Amortization Expenses	872,909	529,050	533,184
Capital Expenditures	477,658	159,527	252,985
Custom Products [Member]
Net Sales	29,694,415	17,837,208	16,782,973
Operating Profit	2,797,465	1,518,916	1,628,106
Identifiable Assets	9,030,782	7,097,568	6,016,135
Depreciation and Amortization Expenses	336,114	280,381	279,636
Capital Expenditures	206,669	31,682	17,591
Corporate [Member]
Identifiable Assets	4,802,460	8,288,593	6,756,258
Depreciation and Amortization Expenses	303	265	471
United States [Member]
Net Sales	67,981,932	50,721,211	50,632,653
Canada [Member]
Net Sales	7,920,424	1,275,494	1,535,861
Other Areas [Member]
Net Sales	$ 244,067	$ 581,667	$ 187,148