Intangible Assets (Details) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 2,123,000	$ 2,088,000
Accumulated Amortization	1,136,000	1,021,000
Net	987,000	1,067,000
Acquired Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	737,000	718,000
Accumulated Amortization	551,000	473,000
Net	$ 186,000	$ 245,000
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	316,000	282,000
Net	196,000	230,000
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	281,000	272,000
Accumulated Amortization	0	0
Net	$ 281,000	$ 272,000
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (years)	15 years	15 years
Gross Amount	$ 333,000	$ 326,000
Accumulated Amortization	9,000	6,000
Net	$ 324,000	$ 320,000
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