Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets subject to amortization

Intangible assets balances, subject to amortization, at December 31, 2016 and September 30, 2016 consisted of the following (in thousands):

	December 31, 2016							September 30, 2016
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Purchased technology	$	11,749	$	(10,782	)	$	967	$	11,749	$	(10,693	)	$	1,056