Revenues (Tables)

6 Months Ended

Jun. 30, 2019

Revenues [Abstract]

Disaggregated Revenue

The following table presents revenue from continuing operations disaggregated by source:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
	(in thousands)
Licensing agreements	$	26,407	$	29,503	$	51,775	$	58,577
Other		8		3,623		164		4,012
Total	$	26,415	$	33,126	$	51,939	$	62,589

Contract Balances

The below table summarizes the Company’s contract assets and contract liabilities:

	June 30,		December 31,
	2019		2018
	(in thousands)
Contract assets	$	2,306	$	2,484
Contract liabilities		3,844		4,923

Future Performance Obligations

The below table summarizes amounts related to future performance obligations from continuing operations under fixed contractual arrangements as of June 30, 2019 and the periods in which they are expected to be earned and recognized as revenue:

	2019		2020		2021		2022		2023		Thereafter
Future Performance Obligations	$	42,097	$	37,870	$	23,158	$	2,818	$	2,006	$	244