SUPPLEMENTAL FINANCIAL INFORMATION - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Supplemental Financial Information [Abstract]
Research and development service agreements	$ 5,359	$ 1,680
Prepaid insurance	1,011	807
Other receivables	268	0
Prepaid raw materials	143	98
Interest receivable	51	225
Other	457	283
Total prepaid expenses and other current assets	$ 7,289	$ 3,093