Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

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

Intangible assets at March 31, 2019 and September 30, 2018 consist of the following:

	Useful	Gross		Accumulated
March 31, 2019	Life (years)	Amount		Amortization		Net
Acquired Customer Base	5 to 15	$	719,000	$	633,000	$	86,000
Know How	15		512,000		367,000		145,000
Trade Names	Indefinite		273,000		-		273,000
Patents	20		223,000		26,000		197,000
Biomedical Technologies	5		260,000		260,000		-
		$	1,987,000	$	1,286,000	$	701,000
	Useful	Gross		Accumulated
September 30, 2018	Life (years)	Amount		Amortization		Net
Acquired Customer Base	5 to 15	$	719,000	$	601,000	$	118,000
Know How	15		512,000		350,000		162,000
Trade Names	Indefinite		272,000		-		272,000
Patents	20		223,000		20,000		203,000
Biomedical Technologies	5		260,000		260,000		-
		$	1,986,000	$	1,231,000	$	755,000

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

Estimated amortization expense for each of the next five fiscal years and thereafter is as follows:

	2019 (6 months)		2020		2021		2022		2023		Thereafter		Total
Acquired Customer Base	$	40,000	$	46,000	$	-	$	-	$	-	$	-	$	86,000
Know How		17,000		34,000		34,000		34,000		26,000		-		145,000
Patents		6,000		11,000		11,000		11,000		11,000		147,000		197,000
	$	63,000	$	91,000	$	45,000	$	45,000	$	37,000	$	147,000	$	428,000