Intangible Assets (Details) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 1,986,000	$ 2,123,000
Accumulated Amortization	1,231,000	1,136,000
Net	755,000	987,000
Acquired Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	719,000	737,000
Accumulated Amortization	601,000	551,000
Net	$ 118,000	$ 186,000
Acquired Customer Base [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	5 years	5 years
Acquired Customer Base [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	15 years	15 years
Know How [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	15 years	15 years
Gross Amount	$ 512,000	$ 512,000
Accumulated Amortization	350,000	316,000
Net	162,000	196,000
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	272,000	281,000
Accumulated Amortization	0	0
Net	$ 272,000	$ 281,000
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	20 years	20 years
Gross Amount	$ 223,000	$ 333,000
Accumulated Amortization	20,000	9,000
Net	$ 203,000	$ 324,000
Biomedical Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	5 years	5 years
Gross Amount	$ 260,000	$ 260,000
Accumulated Amortization	260,000	260,000
Net	$ 0	$ 0