Intangible assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets, net of accumulated amortization, are summarized as follows (in thousands):

	As of December 31, 2023
	Cost		Accumulated amortization		Impairment		Net
In-licensed rights	11,089		(651)		—		10,438
Total	$	11,089	$	(651)	$	—	$	10,438

	As of December 31, 2022
	Cost		Accumulated amortization		Impairment		Net
In-licensed rights	5,000		(132)		—		4,868
Total	$	5,000	$	(132)	$	—	$	4,868

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table summarizes the estimated future amortization for intangible assets for the next five years and thereafter (in thousands):

	As of December 31, 2023
2024	$	926
2025	926
2026	926
2027	926
2028	926
2029 and thereafter	$	5,808
Total	$	10,438