BALANCE SHEET COMPONENTS - Schedule of notes payable maturities (Details) - Notes Payable $ in Thousands	Sep. 30, 2023 USD ($)
Debt Instrument [Line Items]
2023	$ 3
2024	9
2025	10
2026	11
2027	12
Thereafter	8
Total principal payments	53
Less: current portion of note payable	(9)
Note payable, less current portion	$ 44

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