Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2014

Schedule of Intangible Assets Subject to Amortization

Intangible assets balances, subject to amortization, at March 31, 2014 and September 30, 2013 consisted of the following (in thousands):

	March 31, 2014							September 30, 2013
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Value		Amortization			Value		Value		Amortization			Value
Purchased technology	$	11,749	$	(9,727	)	$	2,022	$	11,749	$	(9,489	)	$	2,260
Trade name		1,136		(1,011	)		125		1,136		(967	)		169
Supply agreement		—		—			—		17,580		(8,397	)		9,183
Total	$	12,885	$	(10,738	)	$	2,147	$	30,465	$	(18,853	)	$	11,612