Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2020

Intangible Assets and Goodwill

Intangible assets related to capitalized milestones under license agreements

Intangible assets related to capitalized milestones under license agreements consisted of the following (in thousands):

	June 30,		December 31,
	2020		2019
Intangible asset - milestones	$	79,850	$	71,850
Accumulated amortization		(11,422)		(8,930)
Total intangible asset, net	$	68,428	$	62,920

Estimated future amortization expense for intangible assets

Estimated future amortization expense associated with intangibles is expected to be as follows (in thousands):

2020 (remaining six months)	$	2,686
2021		5,371
2022		5,371
2023		5,371
2024		5,371
Thereafter		44,258
	$	68,428