BALANCE SHEET COMPONENTS - Schedule of prepaid expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Software licenses	$ 113	$ 157
Marketing programs and conferences	10	74
Insurance	93	61
Patents	24	39
Professional services	198	41
Other	12	6
Total prepaid expenses	$ 450	$ 378

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Prepaid Software Licenses, Current

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Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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