Derivatives - Liability roll forward (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 28, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Royalty Fee Derivative Liability
Derivative Liability Roll forward
Beginning Balance	$ 12,389		$ 12,389
Change in fair value			857
Ending Balance		$ 13,246	$ 13,246
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Derivative Liability, Noncurrent	Derivative Liability, Noncurrent	Derivative Liability, Noncurrent
Conversion Option Derivative Liability
Derivative Liability Roll forward
Beginning Balance	17,598	$ 15,000	$ 17,598
Change in fair value	(2,598)
Extinguishment in connection with Conversion		$ 15,000
Ending Balance	$ 15,000
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Derivative Liability, Noncurrent	Derivative Liability, Noncurrent	Derivative Liability, Noncurrent