BALANCE SHEET DETAILS - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Cash and Cash Equivalents, at Carrying Value [Abstract]
Cash		$ 5,818	$ 9,630
Money market funds		22,883	13,586
Certificates of deposit	[1]	0	25,604
Cash and cash equivalents		$ 28,701	$ 48,820

[1] Represents certificates of deposit with initial maturity days of 90 days or less.