Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Company's Recorded Goodwill

The following is a summary of changes in the Company’s recorded goodwill during the year ended December 31, 2016 (in thousands):

	Amount
Balance as of December 31, 2016	$	41,548
Scilex Acquisition Adjustment	(4,645		)
Goodwill Acquired from Virttu Acquisition	$	1,395
Balance as of December 31, 2017	$	38,298

Summary of Company's Identifiable Intangible Assets

A summary of the Company’s identifiable intangible assets as of December 31, is as follows (in thousands):

	December 31, 2017
	Gross Carrying Amount		Accumulated Amortization		Intangibles, net
Customer relationships	$	1,585	$	1,091	$	494
Acquired technology	3,410		709		2,701
Acquired in-process research and development	37,660		—		37,660
Patent rights	32,720		2,562		30,158
Total intangible assets	$	75,375	$	4,362	$	71,013
	December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Intangibles, net
Customer relationships	$	1,585	$	801	$	784
Acquired technology	3,410		533		2,877
Acquired in-process research and development	25,404		—		25,404
Patent rights	36,120		419		35,701
Total intangible assets	$	66,519	$	1,753	$	64,766

Schedule of Estimated Future Amortization Expense Related to Intangible Assets

Estimated future amortization expense related to intangible assets at December 31, 2017 is as follows (in thousands):

Years Ending December 31,	Amount
2018	$	3,697
2019	3,807
2020	3,807
2021	5,002
2022	5,002
Thereafter	49,698
Total	$	71,013