Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Other Intangible Assets [Abstract]

Goodwill Rollforward

The changes in the carrying amount of goodwill by segment for the years ended December 31, 2019 and 2018 were as follows:

	Optoelectronic Components		Resistors			Inductors		Total
Balance at January 1, 2018	$	96,849	$	20,078		$	25,815		142,742
UltraSource acquisition		-		4,227			-		4,227
EuroPower acquisition		-		1,068			-		1,068
Exchange rate effects		-		(557	)		-		(557	)
Balance at December 31, 2018	$	96,849	$	24,816		$	25,815	$	147,480
Bi-Metallix acquisition		-		3,324			-		3,324
Exchange rate effects		-		(162	)		-		(162	)
Balance at December 31, 2019	$	96,849	$	27,978		$	25,815	$	150,642

Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2019			December 31, 2018
Intangible assets subject to amortization:
Patents and acquired technology	$	31,125		$	32,854
Capitalized software		55,862			53,218
Customer relationships		59,603			59,119
Tradenames		22,510			23,041
		169,100			168,232
Accumulated amortization:
Patents and acquired technology		(24,905	)		(26,469	)
Capitalized software		(50,976	)		(49,288	)
Customer relationships		(23,871	)		(19,958	)
Tradenames		(8,689	)		(6,829	)
		(108,441	)		(102,544	)
Net Intangible Assets Subject to Amortization	$	60,659		$	65,688

Estimated Annual Amortization Expense for Each of the Next Five Years

Estimated annual amortization expense of intangible assets on the balance sheet at December 31, 2019 for each of the next five years is as follows:

2020	$	7,886
2021		6,688
2022		6,044
2023		5,824
2024		5,507