Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Subject to Amortization

Intangible assets balances, subject to amortization, at September 30, 2018 and 2017 consisted of the following (in thousands):

	September 30, 2018							September 30, 2017
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Purchased technology	$	11,749	$	(11,239	)	$	510	$	11,749	$	(11,033	)	$	716

Schedule of Estimated Amortization Expense

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

Years Ended September 30,	Total
2019	$	177
2020	177
2021	156
2022	—
2023	—