INTANGIBLE ASSETS:

12 Months Ended

Mar. 31, 2020

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 relationships.  The following table shows the amortization activity of intangible assets (dollars in thousands):

	March 31, 2020		March 31, 2019
Developed technology, gross	$	66,451	$	54,000
Accumulated amortization	(54,713)		(49,625)
Net developed technology	$	11,738	$	4,375
Customer relationship/Trade name, gross	$	42,993	$	35,800
Accumulated amortization	(33,109)		(26,128)
Net customer/trade name	$	9,884	$	9,672
Publisher/Data supply relationships, gross	$	39,800	$	23,800
Accumulated amortization	(16,222)		(9,255)
Net publisher relationship	$	23,578	$	14,545
Total intangible assets, gross	$	149,244	$	113,600
Total accumulated amortization	(104,044)		(85,008)
Total intangible assets, net	$	45,200	$	28,592

Total amortization expense related to intangible assets was $19.0 million, $15.9 million, and $23.9 million for the fiscal years ended March 31, 2020, 2019 and 2018, respectively.  The following table presents the estimated future amortization expenses related to purchased intangible assets (dollars in thousands): 

Fiscal Year:
2021	$	17,363
2022	14,092
2023	11,683
2024	2,062
	$	45,200