Note 13 - Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2012

Schedule of Quarterly Financial Information [Table Text Block]

	First Quarter		Second Quarter			Third Quarter		Fourth Quarter
Fiscal year ended 2012
Net sales and service income	$	9,004,395	$	9,230,956		$	8,498,773	$	8,482,279
Gross profit	$	2,739,021	$	2,527,319		$	2,587,836	$	2,507,267
Net income (loss)	$	446,780	$	(76,279	)	$	459,298	$	420,693
Basic earnings (loss) per common share	$	0.04	$	(0.01	)	$	0.05	$	0.04
Diluted earnings (loss) per common share	$	0.04	$	(0.01	)	$	0.05	$	0.04
Fiscal year ended 2011
Net sales and service income	$	9,229,446	$	8,896,705		$	8,695,205	$	11,258,174
Gross profit	$	2,879,565	$	2,684,710		$	2,567,397	$	3,419,176
Net income	$	740,635	$	598,706		$	467,577	$	729,389
Basic earnings per common share	$	0.07	$	0.06		$	0.05	$	0.07
Diluted earnings per common share	$	0.07	$	0.06		$	0.05	$	0.07
Fiscal year ended 2010
Net sales and service income	$	10,219,221	$	12,055,521		$	13,297,449	$	11,733,939
Gross profit	$	3,330,340	$	3,619,796		$	4,207,974	$	3,297,496
Net income	$	859,639	$	1,081,845		$	1,396,234	$	848,731
Basic earnings per common share	$	0.08	$	0.11		$	0.14	$	0.08
Diluted earnings per common share	$	0.08	$	0.11		$	0.14	$	0.08