Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2017

Finite-Lived Intangible Assets, Net [Abstract]

Schedule of intangible assets

		Balance as of September 30, 2017							Balance as of September 30, 2016
	Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Contract intangibles	10	$	—	$	—		$	—	$	1,500	$	(150	)	$	1,350
Brand and technology	3 - 5	—		—			—		5,749		(5,018		)	731
Covenants not to compete	3 - 5	—		—			—		700		(533		)	167
Patent and trademarks	3 - 10	943		(516		)	427		820		(418		)	402
Total intangible assets, net		$	943	$	(516	)	$	427	$	8,769	$	(6,119	)	$	2,650

Schedule of future expected amortization of intangible assets

Future expected amortization of intangible assets at September 30, 2017, is as follows:

Year Ending September 30,	Amortization
	(in thousands)
2018	$	76
2019	69
2020	70
2021	58
2022 and after	154
Total	$	427