Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Schedule

Intangible assets consist of the following:

	As of December 31, 2020
	Carrying Value		Accumulated  Amortization		Net Intangible
Amortizable intangible assets:
Product technology	$	14,625	$	10,785	$	3,840
Patents and trademarks	14,325		7,495		6,830
Customer relationships	6,541		4,002		2,539
Other	5,265		5,173		92
Total	$	40,756	$	27,455	$	13,301

	As of December 31, 2019
	Carrying Value		Accumulated  Amortization		Net Intangible
Amortizable intangible assets:
Product technology	$	24,135	$	19,798	$	4,337
Patents and trademarks	13,726		6,894		6,832
Customer relationships	5,150		2,509		2,641
Other	8,875		8,214		661
Total	$	51,886	$	37,415	$	14,471

Estimated Amortization Expense Schedule

The estimated amortization expense for each of the years 2021 through 2025 and thereafter is as follows:

Years ending December 31,	Amount
2021	$	3,760
2022	2,536
2023	1,903
2024	1,569
2025	1,394
Thereafter	2,139
	$	13,301