Note 9 - Earnings Per Share of Common Stock (Detail) - Basic and Diluted Earnings Per Share (USD $)	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Net income (in Dollars)	$ 1,233,737	$ 1,824,998	$ 2,597,446	$ 2,949,966
Denominator for basic earnings per share:
Weighted average shares	2,944,116	2,912,990	2,932,639	2,866,661
Effect of dilutive securities:
Employee stock options and restricted stock	53,076	52,218	56,053	51,422
Denominator for diluted earnings per share:
Adjusted weighted average shares and assumed conversions	2,997,192	2,965,208	2,988,692	2,918,083
Net income per share of common stock:
Basic (in Dollars per share)	$ 0.42	$ 0.63	$ 0.89	$ 1.03
Diluted (in Dollars per share)	$ 0.41	$ 0.62	$ 0.87	$ 1.01