BALANCE SHEET COMPONENTS - Schedule of notes payable maturities (Details) - Notes Payable $ in Thousands	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
2024	$ 33
2025	36
2026	39
2027	43
2028	38
Total principal payments	189
Less: current portion of notes payable	(33)
Notes payable, less current portion	$ 156

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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