Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Subject to Amortization

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

	September 30, 2015							September 30, 2014
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Value		Amortization			Value		Value		Amortization			Value
Purchased technology	$	11,749	$	(10,359	)	$	1,390	$	11,749	$	(9,918	)	$	1,831
Trade name		1,136		(1,136	)		—		1,136		(1,063	)		73
Total	$	12,885	$	(11,495	)	$	1,390	$	12,885	$	(10,981	)	$	1,904

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
2016	$	340
2017		340
2018		340
2019		340
2020		30