CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Cash flows from operating activities:
Net loss	$ (118,018)	$ (17,639)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	25	25
Stock-based compensation expense	1,621	1,360
Change in fair value of convertible notes	87	4,657
Change in fair value of warrants	20,903
Loss on embedded forward purchase agreements and derivative liabilities	22,917
Change in fair value of contingent consideration	63,769
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	124	39
Accounts payable	3,136	(3,524)
Accrued expenses and other liabilities	(3,228)	3,984
Other assets and liabilities	64	40
Net cash used in operating activities	(8,600)	(11,058)
Cash flows from financing activities:
Proceeds from issuance of convertible notes	5,000	6,000
Net cash provided by financing activities	5,000	6,000
Net decrease in cash and cash equivalents	(3,600)	(5,058)
Cash and cash equivalents at beginning of period	5,158	9,746	$ 9,746
Cash and cash equivalents at end of period	$ 1,558	$ 4,688	$ 5,158
Financial Designation, Predecessor and Successor [Fixed List]	Successor	Predecessor	Successor