INTANGIBLE ASSETS:

12 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLE ASSETS:

INTANGIBLE ASSETS:

The amounts allocated to intangible assets from acquisitions include developed technology, customer relationships, trade names, and publisher and data supply relationships.  The following table shows the amortization activity of intangible assets (dollars in thousands):

	March 31, 2021		March 31, 2020
Developed technology, gross	$	78,547	$	66,451
Accumulated amortization	(60,424)		(54,713)
Net developed technology	$	18,123	$	11,738
Customer relationship/Trade name, gross	$	43,506	$	42,993
Accumulated amortization	(37,510)		(33,109)
Net customer/trade name	$	5,996	$	9,884
Publisher/Data supply relationships, gross	$	39,800	$	39,800
Accumulated amortization	(24,189)		(16,222)
Net publisher relationship	$	15,611	$	23,578
Total intangible assets, gross	$	161,853	$	149,244
Total accumulated amortization	(122,123)		(104,044)
Total intangible assets, net	$	39,730	$	45,200

Total amortization expense related to intangible assets was $18.0 million, $19.0 million, and $15.9 million fiscal years ended March 31, 2021, 2020, and 2019, respectively.

The following table presents the estimated future amortization expenses related to purchased intangible assets (dollars in thousands): 

Fiscal Year:
2022	17,401
2023	14,956
2024	4,945
2025	2,428
	$	39,730