Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

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

Intangible assets, at September 30, 2017 and 2016, consist of the following:

	Useful	Gross		Accumulated
September 30, 2017	Life (years)	Amount		Amortization		Net
Acquired Customer Base	5 to 15	$	737,000	$	551,000	$	186,000
Know How	15		512,000		316,000		196,000
Trade Name	Indefinite		281,000		-		281,000
Patents	15		333,000		9,000		324,000
Biomedical Technologies	5		260,000		260,000		-
		$	2,123,000	$	1,136,000	$	987,000

	Useful	Gross		Accumulated
September 30, 2016	Life (years)	Amount		Amortization		Net
Acquired Customer Base	5 to 15	$	718,000	$	473,000	$	245,000
Know How	15		512,000		282,000		230,000
Trade Name	Indefinite		272,000		-		272,000
Patents	15		326,000		6,000		320,000
Biomedical Technologies	5		260,000		260,000		-
		$	2,088,000	$	1,021,000	$	1,067,000

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

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

	2018		2019		2020		2021		2022		Thereafter		Total
Acquired Customer Base	$	80,000	$	80,000	$	26,000	$	-	$	-	$	-	$	186,000
Know How		34,000		34,000		34,000		34,000		34,000		26,000		196,000
Patents		11,000		11,000		11,000		11,000		11,000		162,000		217,000
	$	125,000	$	125,000	$	71,000	$	45,000	$	45,000	$	188,000	$	599,000