BALANCE SHEET COMPONENTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 5,395	$ 1,952
Debt Instrument [Line Items]
Cash and cash equivalents	$ 5,395	$ 1,952
Notes Payable
Debt Instrument [Line Items]
Debt, annual interest rate	8.90%
Debt, term	5 years