Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible assets consisted of the following:

	June 30, 2019
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists and relationships		8.9	$	17,842	$	(10,469	)	$	7,373
Developed technology		11.5		9,599		(3,020	)		6,579
Non-compete		5.0		230		(184	)		46
Patents and other		16.5		2,321		(1,680	)		641
Subtotal				29,992		(15,353	)		14,639
Unamortized intangible assets:
In-process research and development				261		—			261
Trademarks and trade names				580		—			580
Total			$	30,833	$	(15,353	)	$	15,480

	September 30, 2018
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists and relationships		8.9	$	18,086	$	(9,377	)	$	8,709
Developed technology		11.5		9,656		(2,361	)		7,295
Non-compete		5.0		230		(150	)		80
Patents and other		16.5		2,321		(1,569	)		752
Subtotal				30,293		(13,457	)		16,836
Unamortized intangible assets:
In-process research and development				267		—			267
Trademarks and trade names				580		—			580
Total			$	31,140	$	(13,457	)	$	17,683

Estimated Amortization Expense

Based on the intangible assets in service as of June 30, 2019, excluding any possible future amortization associated with acquired in-process research and development (“IPR&D”), which has not met technological feasibility as of June 30, 2019, estimated amortization expense for the remainder of fiscal 2019 and each of the next five fiscal years is as follows (in thousands):

Remainder of 2019	$	664
2020		2,480
2021		2,341
2022		2,301
2023		1,712
2024		1,624