Goodwill and Purchased Intangible Assets - (Tables)

12 Months Ended

Dec. 31, 2018

Identifiable Intangible Assets [Abstract]

Schedule of Purchased Intangible Assets

Purchased intangible assets as of December 31, 2018 and 2017 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
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
December 31, 2017
Finite-lived intangibles:
Developed technology	$	65,827	$	58,522	$	7,305
Customer and distributor relationships		9,560		8,818		742
Trade names		4,361		3,776		585
Total identifiable intangible assets	$	79,748	$	71,116	$	8,632