CAPITALIZED FEES PAID TO A RELATED PARTY (Tables)

12 Months Ended

Dec. 31, 2019

CAPITALIZED FEES PAID TO A RELATED PARTY

Schedule of capitalized fees paid to a related party

Capitalized fees paid to a related party, which consist of registrational and launch-related milestone fees paid to GSK, were as follows:

		December 31,
(In thousands)	Amortization period	2019		2018
United States	2013-2030	$	120,000	$	120,000
Europe	2013-2029		60,000		60,000
Japan	2013-2029		40,000		40,000
Gross carrying value			220,000		220,000
Accumulated amortization			(80,924)		(67,101)
Net carrying value		$	139,076	$	152,899