SUPPLEMENTAL FINANCIAL INFORMATION - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Supplemental Financial Information [Abstract]
Research and development service agreements	$ 1,680	$ 1,077
Prepaid insurance	807	1,106
Interest receivable	225	0
Dues and subscriptions	175	105
Prepaid raw materials	98	199
Other	108	237
Total prepaid expenses and other current assets	$ 3,093	$ 2,724