Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consisted of the following:

	March 31, 2015
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists		9.0	$	4,857	$	(4,083	)	$	774
Core technology		8.0		530		(508	)		22
Patents and other		16.8		2,256		(1,058	)		1,198
Subtotal				7,643		(5,649	)		1,994
Unamortized intangible assets:
Trademarks				580		—			580
Total			$	8,223	$	(5,649	)	$	2,574

	September 30, 2014
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists		9.0	$	4,857	$	(3,813	)	$	1,044
Core technology		8.0		530		(475	)		55
Patents and other		16.8		2,256		(989	)		1,267
Subtotal				7,643		(5,277	)		2,366
Unamortized intangible assets:
Trademarks				580		—			580
Total			$	8,223	$	(5,277	)	$	2,946

Estimated Amortization Expense

Based on the intangible assets in service as of March 31, 2015, estimated amortization expense for the remainder of fiscal 2015 and each of the next five fiscal years is as follows (Dollars in thousands):

Remainder of 2015	$	360
2016		594
2017		183
2018		137
2019		137
2020		137