BALANCE SHEET COMPONENTS - Schedule of allowance for uncollectible accounts (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of beginning of period	$ 4	$ 4	$ 4	$ 6
Increase in provision	2	0	0	0
Amounts written off, less recoveries	(2)	0	0	(2)
Balance as of end of period	$ 4	$ 4	$ 4	$ 4