Note 16 - Segment Reporting (Tables)

12 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Years Ended
	September 30, 2019			September 30, 2018			September 30, 2017
Sales
Wireless	$	22,918,535		$	‒		$	‒
Telco		32,254,303			27,522,696			25,994,521
Intersegment		(54,541	)		(49,414	)		(86,950	)
Total sales	$	55,118,297		$	27,473,282		$	25,907,571
Gross profit
Wireless	$	1,997,041		$	‒		$	‒
Telco		7,095,481			7,417,215			7,072,238
Total gross profit	$	9,092,522		$	7,417,215		$	7,072,238
Operating loss
Wireless	$	(1,513,280	)	$	‒		$	‒
Telco		(2,462,834	)		(3,797,957	)		(2,916,351	)
Total operating loss	$	(3,976,114	)	$	(3,797,957	)	$	(2,916,351	)
Segment assets
Wireless	$	5,515,793		$	‒		$	‒
Telco		22,619,565			22,173,797			24,135,091
Discontinued operations		‒			18,450,498			24,158,314
Non-allocated		8,692,986			3,770,325			6,554,200
Total assets	$	36,828,344		$	44,394,620		$	54,847,605