Goodwill and Purchased Intangibles Assets

6 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Purchased Intangibles Assets

Goodwill and Purchased Intangibles Assets

There were no changes to the carrying amount of goodwill for the six months ended September 30, 2019.

Purchased intangible assets subject to amortization as of September 30, 2019 consisted of the following (in thousands):

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technology	$	18,716	$	(5,741)	$	12,975

Purchased intangible assets subject to amortization as of March 31, 2019 consisted of the following (in thousands):

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technology	$	18,716	$	(4,861)	$	13,855

Amortization expense of purchased intangible assets was $0.5 million and $0.2 million for the three months ended September 30, 2019 and 2018, respectively, and $0.9 million and $0.4 million for the six months ended September 30, 2019 and 2018.

Estimated future amortization expense as of September 30, 2019 was as follows (in thousands):

Fiscal Years Ending March 31,	Estimated Future Amortization Expense
2020 (remaining six months)	$	617
2021	4,605
2022	4,119
2023	3,634
	$	12,975