Note 6 - Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

(6)	Goodwill and Intangible Assets

The changes in the carrying amount of goodwill for the six months ended June 30, 2019 are as follows:

Balance as of December 31, 2018	$	261,095
Acquisition of business (see Note 4)		146,357
Translation effect		561
Balance as of June 30, 2019	$	408,013

As of June 30, 2019, goodwill of $217,301 relates to the DP segment and $157,527 relates to the ESDT segment. The remaining goodwill relates to the DS segment.

Acquired intangible assets, which are amortized, consist of the following:

		As of June 30, 2019
	Amortization Period	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Internal-use software	3 - 7 years	$	7,985	$	(3,487	)	$	4,498
Technology-based intangibles	20 years		3,460		(1,600	)		1,860
Customer-related intangibles	10 - 15 years		260,776		(14,392	)		246,384
		$	272,221	$	(19,479	)	$	252,742

		As of December 31, 2018
	Amortization Period	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Internal-use software	3 - 7 years	$	7,026	$	(2,912	)	$	4,114
Technology-based intangibles	20 years		3,481		(1,523	)		1,958
Customer-related intangibles	10 - 15 years		186,698		(5,565	)		181,133
		$	197,205	$	(10,000	)	$	187,205

The change in the gross carrying amount in 2019 is mainly due to the recognition of customer-related intangibles of $73,000 from the acquisition of Avista in January 2019, the impact of foreign currency translation and additions to internal-use software.

Amortization expense was $4,726 and $9,456 for the three and six months ended June 30, 2019, respectively. Amortization expense for the three and six months ended June 30, 2019 includes $2,994 and $5,990, respectively, related to the acquisition of Halo and $1,216 and $2,433, respectively, related to the acquisition of Avista. Amortization expense was $510 and $1,023 for the three and six months ended June 30, 2018, respectively.

Amortization expense related to intangible assets is expected to be approximately $18,919 for 2019, $18,903 for 2020, $18,897 for 2021, $18,458 for 2022, and $17,844 for 2023.