Commitments and Contingencies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Commitments and Contingencies.

Schedule of supplemental balance sheet information related to the operating lease

The following table summarizes supplemental balance sheet information related to the operating lease as of March 31, 2024 (in thousands, unaudited):

Minimum lease payments by fiscal year
2024	$	213
Total future minimum lease payments		213
Less: Imputed interest		(8)
Present value of lease payments		205
Less: Current portion (included in other accrued expenses)		(205)
Noncurrent operating lease liability	$	—
Operating lease right-of-use asset	$	198
Remaining lease term in years		0.7
Discount rate		10	%

The following table summarizes supplemental balance sheet information related to the operating lease as of December 31, 2023 (in thousands):

Minimum lease payments by fiscal year
2024	$	292
Total future minimum lease payments		292
Less: Imputed interest		(14)
Present value of lease payments		278
Less: Current portion (included in other accrued expenses)		(278)
Noncurrent operating lease liability	$	—
Operating lease right-of-use asset	$	262
Remaining lease term in years		0.9
Discount rate		10	%

Schedule of supplemental disclosures of operating cost and cash flow information related to operating leases

The following table summarizes supplemental disclosures of operating cost and cash flow information related to operating leases for the three months ended March 31, 2024 (Successor) and March 31, 2023 (Predecessor) (in thousands) (unaudited).

	Three Months Ended
	March 31,
	2024		2023
		Successor		Predecessor
Cost of operating leases	$	43	$	60
Cash paid for operating leases		80		77

The following table summarizes supplemental disclosures of operating cost and cash flow information related to operating leases for the periods from January 1, 2023 to July 21, 2023 (Predecessor) and July 22, 2023 to December 31, 2023 (Successor), and the year ended December 31, 2022 (Predecessor) (in thousands).

	Year Ended
	December 31,
	2023				2022
	Predecessor January 1, 2023 to July 21, 2023		Successor July 22, 2023 to December 31, 2023		Predecessor
Cost of operating leases	$	153	$	122	$	279
Cash paid for operating leases		180		129		248