Note 8 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	September 30,
	2019			2018
Technology	$	611,043		$	648,208
Customer relationships		584,477			620,026
Trade name portfolio		212,537			225,464
Non-compete agreements		230,248			244,252
Patents		72,126			72,126
		1,710,431			1,810,076
Accumulated amortization		(534,797	)		(252,730	)
	$	1,175,634		$	1,557,346

	Year Ended September 30,
	2019		2018
Amortization Expense	$	303,397	$	231,901

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2020	$	294,242
2021		239,586
2022		217,073
2023		186,683
2024		173,734
Thereafter		64,316
Total estimated amortization expense	$	1,175,634