Accrued Expenses and Other Current Liabilities

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

5. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

Accrued expenses and other current liabilities is comprised of the following (in thousands):

	March 31, 2024		December 31, 2023
Employee compensation related costs	$	3,769	$	2,840
Accrued office and laboratory costs		141		211
Accrued contract research organization fees		3,207		2,298
Accrued contract development and manufacturing organization fees		604		660
Accrued professional fees		2,935		1,798
Other current liabilities		392		334
	$	11,048	$	8,141

5. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

Accrued expenses and other current liabilities is comprised of the following (in thousands):

	December 31,
	2023		2022
Employee compensation related costs	$	2,840	$	2,158
Accrued office and laboratory costs		211		481
Accrued contract research organization fees		2,298		1,345
Accrued contract development and manufacturing organization fees		660		842
Accrued professional fees		1,798		489
Other current liabilities		334		499
	$ 8,141		$ 5,814