Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table sets forth the changes in the carrying amount of goodwill for the six months ended June 30, 2019:



	Amounts
Balance at December 31, 2018	$	15,031
Foreign currency translation adjustment	(36		)
Balance at June 30, 2019	$	14,995

Schedule of finite-lived intangible assets

The changes in the carrying amount of intangible assets during the six months ended June 30, 2019 are as follows:



	Amounts
Balance at December 31, 2018	$	5,661
Amortization expense	(495		)
Intangible assets acquired in asset acquisition	37
Foreign currency translation adjustment	(6		)
Balance at June 30, 2019	$	5,197

As of June 30, 2019, the total weighted average remaining useful lives of the definite-lived intangible assets was 4.9 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	4.0
Distribution rights	8.8

Acquired intangible assets

Acquired intangible assets are subject to amortization. The following table summarizes acquired intangible assets at June 30, 2019 and December 31, 2018, respectively:



	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
June 30, 2019
Subscriber relationships	$	7,717	$	4,880	$	2,837
Distribution rights	4,227		1,867		2,360
Internally developed software	446		446		—
Proprietary content	153		153		—
Intellectual property	2,284		2,284		—
	$	14,827	$	9,630	$	5,197
December 31, 2018
Subscriber relationships	$	7,678	$	4,519	$	3,159
Distribution rights	4,233		1,731		2,502
Internally developed software	446		446		—
Proprietary content	153		153		—
Intellectual property	2,284		2,284		—
	$	14,794	$	9,133	$	5,661

Schedule of expected amortization expense

Estimated future amortization expense remaining at June 30, 2019 for intangible assets acquired is as follows:



Remainder of 2019	$	486
2020	972
2021	972
2022	972
2023	536
Thereafter	1,259
Total future amortization expense	$	5,197