DETAILED ACCOUNT BALANCES - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Prepaid insurance	$ 419	$ 521
Contract asset	245	254
Prepaid research and development expenses	24	254
Accounts receivable	0	250
Other prepaid expenses	73	124
Total	$ 761	$ 1,403