Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2012

Intangible Assets

Intangible assets consisted of the following (in thousands):

	December 31, 2012
	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists		9.0	$	4,857	$	(2,869	)	$	1,988
Core technology		8.0		530		(359	)		171
Patents and other		16.8		2,256		(750	)		1,506
Subtotal				7,643		(3,978	)		3,665
Unamortized intangible assets:
Trademarks				580		—			580
Total			$	8,223	$	(3,978	)	$	4,245

	September 30, 2012
	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists		9.0	$	4,857	$	(2,734	)	$	2,123
Core technology		8.0		530		(343	)		187
Patents and other		16.8		2,256		(716	)		1,540
Subtotal				7,643		(3,793	)		3,850
Unamortized intangible assets:
Trademarks				580		—			580
Total			$	8,223	$	(3,793	)	$	4,430

Estimated Amortization Expenses

Based on the intangible assets in service as of December 31, 2012, estimated amortization expense for each of the next five fiscal years is as follows (in thousands):

Remainder of 2013	$	557
2014		742
2015		731
2016		594
2017		183
2018		137