Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Subject to Amortization

Intangible assets balances, subject to amortization, at September 30, 2014 and 2013, consisted of the following (in thousands):

	September 30, 2014							September 30, 2013
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Value		Amortization			Value		Value		Amortization			Value
Purchased technology	$	11,749	$	(9,918	)	$	1,831	$	11,749	$	(9,489	)	$	2,260
Trade name		1,136		(1,063	)		73		1,136		(967	)		169
Supply agreement		—		—			—		17,580		(8,397	)		9,183
Total	$	12,885	$	(10,981	)	$	1,904	$	30,465	$	(18,853	)	$	11,612

Schedule of Estimated Amortization Expense

Estimated amortization expense for each of the five subsequent fiscal years is expected to be (in thousands):

Years Ending September 30,	Total
2015	$	449
2016		376
2017		376
2018		376
2019		327