Note 8 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the year ended December 31, 2018 are as follows:

Balance as of December 31, 2017	$	43,626
Acquisition of business (see Note 5)		219,294
Translation effect		(1,825	)
Balance as of December 31, 2018	$	261,095

Schedule of Finite-Lived Intangible Assets

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

		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

		As of December 31, 2017
	Amortization Period	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Internal-use software	3 - 7 years	$	7,074	$	(1,810	)	$	5,264
Technology-based intangibles	20 years		3,646		(1,413	)		2,233
Customer-related intangibles	10 - 15 years		7,608		(1,237	)		6,371
		$	18,328	$	(4,460	)	$	13,868