GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following is a summary of changes in goodwill (in thousands):

Balance at September 30, 2019	$	82,786
Additions	1,200
Impairment	(38,333		)
Balance at June 30, 2020	$	45,653

Intangible Assets Arising from Business Acquisitions

Intangible assets consisted of the following:

		June 30, 2020						September 30, 2019
(in thousands)	Weighted Average Estimated Useful Lives	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Finite-lived intangible asset:
Developed technology	15 years	$	89,097	$	14,817	$	74,280	$	89,096	$	10,256	$	78,840
Intellectual property	13 years	1,500		75		1,425		—		—		—
Trade name	20 years	5,865		763		5,102		5,865		522		5,343
Customer relationships	5 years	4,000		2,067		1,933		4,000		1,467		2,533
		$	100,462	$	17,722	$	82,740	$	98,961	$	12,245	$	86,716