Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Subject to Amortization

Intangible assets balances, subject to amortization, at March 31, 2015 and September 30, 2014 consisted of the following (in thousands):

	March 31, 2015							September 30, 2014
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Value		Amortization			Value		Value		Amortization			Value
Purchased technology	$	11,749	$	(10,165	)	$	1,584	$	11,749	$	(9,918	)	$	1,831
Trade name		1,136		(1,113	)		23		1,136		(1,063	)		73
Total	$	12,885	$	(11,278	)	$	1,607	$	12,885	$	(10,981	)	$	1,904