Summary of Significant Accounting Policies - Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2016	Sep. 30, 2015
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,336	$ 7,391
Accumulated Amortization	(3,052)	(2,452)
Net Carrying Amount	4,284	4,939
Customer lists
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,425	2,434
Accumulated Amortization	(962)	(808)
Net Carrying Amount	$ 1,463	1,626
Useful Life	10 years
Technology
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,183	3,223
Accumulated Amortization	(1,704)	(1,368)
Net Carrying Amount	$ 1,479	1,855
Technology | Minimum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	5 years
Technology | Maximum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	10 years
Trade names
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,453	1,456
Accumulated Amortization	(150)	(72)
Net Carrying Amount	$ 1,303	1,384
Trade names | Minimum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	10 years
Trade names | Maximum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	15 years
Other
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 275	278
Accumulated Amortization	(236)	(204)
Net Carrying Amount	$ 39	$ 74
Other | Minimum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	2 years
Other | Maximum
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life	10 years