Purchased Intangible Assets

3 Months Ended

Mar. 31, 2019

Purchased Intangible Assets [Abstract]

Purchased Intangible Assets

NOTE 6. Purchased Intangible Assets

Purchased intangible assets as of March 31, 2019 and December 31, 2018 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
March 31, 2019
Finite-lived intangibles:
Developed technology	$	66,177	$	59,987	$	6,190
Customer and distributor relationships		9,560		9,149		411
Trade names		4,361		3,901		460
Total identifiable intangible assets	$	80,098	$	73,037	$	7,061
December 31, 2018
Finite-lived intangibles:
Developed technology	$	66,177	$	59,692	$	6,485
Customer and distributor relationships		9,560		9,082		478
Trade names		4,361		3,876		485
Total identifiable intangible assets	$	80,098	$	72,650	$	7,448

Intangible asset amortization expenses for the three months ended March 31, 2019 and 2018 were $387 and $380, respectively.  Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, estimated amortization expenses for the remainder of 2019 are $1,161, and for each of the next five years estimated amortization expenses are $1,346 for 2020, $598 for 2021, $532 for 2022, $515 for 2023, and $431 for 2024.