Prepaid Expenses, Other Current Assets and Other Noncurrent Assets

3 Months Ended

Mar. 31, 2024

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid Expenses, Other Current Assets and Other Noncurrent Assets

8. Prepaid Expenses, Other Current Assets and Other Noncurrent Assets

Prepaid expenses and other current assets consisted of the following as of (in thousands):

	March 31, 2024		December 31, 2023
Payroll tax credit	$	563	$	755
Prepaid external research and development		1,572		1,834
Prepaid expenses		529		427
Other		67		83
Total prepaid expenses and other current assets	$	2,731	$	3,099

Other noncurrent assets consisted of the following as of (in thousands):

	March 31, 2024		December 31, 2023
Deferred transaction costs	$	—	$	3,912
Prepaid external research and development - long term		1,084		676
Other		17		23
Total other noncurrent assets	$	1,101	$	4,611