Note 17 - Quarterly Data (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

	First			Second			Third			Fourth
Net Sales
20 17	$	2,356,926		$	3,346,315		$	7,220,626		$	10,892,868
2016	$	1,376,872		$	1,046,624		$	1,530,244		$	2,692,040
2015		1,162,218			1,091,182			1,804,614			1,794,910
Gross Profit
201 7		583,238			1,377,514			3,029,146			3,034,379
2016		636,351			352,080			760,814			561,720
2015		362,105			381,991			807,794			1,132,731
Net Income (Loss)
201 7		(313,706	)		213,140			941,523			567,439
2016		(47,189	)		(464,444	)		(8,095	)		5,152,576
2015		(270,656	)		(276,663	)		109,631			315,311
Net Income (Loss) per Common Share
Basic
201 7		(0.11	)		0.07			0.33			0.20
2016		(0.03	)		(0.28	)		(0.01	)		1.81
2015		(0.17	)		(0.17	)		0.07			0.19
Diluted
201 7		(0.11	)		0.07			0.31			0.18
2016		(0.03	)		(0.28	)		(0.01	)		1.77
2015		(0.17	)		(0.17	)		0.07			0.19