Note 11 - Acquisition (Tables)

9 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	February 20, 2018
Inventories	$	2,781,000
Property, plant and equipment		58,000
Trademarks		563,000
Customer relationships		3,742,000
Product certification		1,068,000
Goodwill		2,138,000
Total Assets	$	10,350,000

Business Acquisition, Pro Forma Information [Table Text Block]

	Pro Forma Three Months Ended June 30, 2017		Pro Forma Nine Months Ended June 30, 2017		Pro Forma Nine Months Ended June 30, 2018
	(unaudited)		(unaudited)		(unaudited)
Net sales	$	23,517,078	$	68,237,433	$	58,485,804
Income from operations	$	1,946,661	$	6,130,794	$	3,007,279
Net income	$	1,162,370	$	4,135,565	$	2,913,224
Net income per share:
Basic	$	0.09	$	0.30	$	0.22
Diluted	$	0.09	$	0.30	$	0.22