Goodwill and Intagible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table sets forth the changes in the carrying amount of goodwill for the three months ended March 31, 2019:



	Amounts
Balance at December 31, 2018	$	32,213
Foreign currency translation adjustment	632
Balance at March 31, 2019	$	32,845

Schedule of finite-lived intangible assets

As of March 31, 2019, the total weighted average remaining useful lives of the definite-lived intangible assets was 3.1 years and the weighted average remaining useful lives by the definite-lived intangible asset category are as follows:



Intangible Asset	Weighted Average Remaining Useful Life in Years
Subscriber relationships	3.6
Distribution rights	9.1
Proprietary content	0.3
Favorable lease	0.3

Acquired intangible assets are subject to amortization. The following table summarizes acquired intangible assets at March 31, 2019 and December 31, 2018, respectively:



	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
March 31, 2019
Subscriber relationships	$	17,742	$	10,825	$	6,917
Distribution rights	4,290		1,799		2,491
Internally developed software	2,327		2,327		—
Proprietary content	8,181		7,812		369
Intellectual property	2,284		2,284		—
Favorable lease	645		615		30
	$	35,469	$	25,662	$	9,807
December 31, 2018
Subscriber relationships	$	17,570	$	10,337	$	7,233
Distribution rights	4,233		1,731		2,502
Internally developed software	2,327		2,327		—
Proprietary content	8,164		7,439		725
Intellectual property	2,284		2,284		—
Favorable lease	643		585		58
	$	35,221	$	24,703	$	10,518

Amortization expense related to intangible assets for the three months ended March 31, 2019 and 2018 was as follows:



	Three Months Ended March 31,
Expense Category	2019		2018
Cost of service sales	$	373	$	399
General and administrative expense	586		698
Total amortization expense	$	959	$	1,097

The changes in the carrying amount of intangible assets during the three months ended March 31, 2019 are as follows:



	Amounts
Balance at December 31, 2018	$	10,518
Amortization expense	(959		)
Intangible assets acquired in asset acquisition	25
Foreign currency translation adjustment	223
Balance at March 31, 2019	$	9,807

Schedule of future expected amortization expense

Estimated future amortization expense remaining at March 31, 2019 for intangible assets acquired was as follows:



Remainder of 2019	$	2,069
2020	2,225
2021	2,225
2022	1,463
2023	544
Thereafter	1,281
Total future amortization expense	$	9,807