Note 16 - Quarterly Data (Unaudited) (Detail) - Summary quarterly data (Unaudited) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Net Sales
Net Sales	$ 4,761,289	$ 5,068,613	$ 5,259,012
Net Income (Loss)
Net Income (Loss)	783,966	672,535	949,496
Basic
Basic (in Dollars per share)	$ (0.57)	$ (0.54)	$ (0.76)
Diluted
Diluted (in Dollars per share)	$ (0.57)	$ (0.54)	$ (0.76)
First [Member]
Net Sales
Net Sales	1,181,501	1,112,643	1,636,717
Gross Profit
Gross Profit	392,712	422,618	876,542
Net Income (Loss)
Net Income (Loss)	(183,140)	(317,982)	64,709
Basic
Basic (in Dollars per share)	$ (0.15)	$ (0.25)	$ 0.05
Diluted
Diluted (in Dollars per share)	$ (0.15)	$ (0.25)	$ 0.05
Second [Member]
Net Sales
Net Sales	1,178,538	1,312,896	1,394,060
Gross Profit
Gross Profit	402,681	552,725	528,246
Net Income (Loss)
Net Income (Loss)	(224,781)	(213,681)	(335,542)
Basic
Basic (in Dollars per share)	$ (0.16)	$ (0.17)	$ (0.27)
Diluted
Diluted (in Dollars per share)	$ (0.16)	$ (0.17)	$ (0.27)
Third [Member]
Net Sales
Net Sales	1,271,803	1,276,544	1,390,355
Gross Profit
Gross Profit	479,189	483,899	642,349
Net Income (Loss)
Net Income (Loss)	(170,975)	(125,949)	(151,479)
Basic
Basic (in Dollars per share)	$ (0.12)	$ (0.10)	$ (0.12)
Diluted
Diluted (in Dollars per share)	$ (0.12)	$ (0.10)	$ (0.12)
Fourth [Member]
Net Sales
Net Sales	1,129,447	1,366,530	837,880
Gross Profit
Gross Profit	482,546	582,854	271,148
Net Income (Loss)
Net Income (Loss)	$ (205,070)	$ (14,923)	$ (527,184)
Basic
Basic (in Dollars per share)	$ (0.14)	$ (0.02)	$ (0.42)
Diluted
Diluted (in Dollars per share)	$ (0.14)	$ (0.02)	$ (0.42)