GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Sep. 30, 2018

GOODWILL AND INTANGIBLE ASSETS

Schedule of changes in goodwill

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

Balance at September 30, 2016	$	4,718
Additions		46,987
Balance at September 30, 2017		51,705
Additions (Note 3)		17,791
Impairment		(4,719)
Balance at September 30, 2018	$	64,777

Schedule of finite-lived and indefinite-lived intangible assets other than goodwill

	September 30, 2018						September 30, 2017
	Gross						Gross
	Carrying		Accumulated				Carrying		Accumulated
(in thousands)	Amount		Amortization		Net		Amount		Amortization		Net
Finite-lived intangible asset:
Developed technology	$	70,000	$	5,589	$	64,411	$	51,000	$	1,134	$	49,866
Trade name		5,700		237		5,463		—		—		—
Customer relationships		4,000		667		3,333		—		—		—
	$	79,700	$	6,493	$	73,207	$	51,000	$	1,134	$	49,866
Indefinite-lived intangible asset:
Trademark	$	—	$	—	$	—	$	919	$	—	$	919