Balance Sheet Components - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Balance Sheet Components [Abstract]
Accrued salary and payroll-related expenses	$ 1,460	$ 3,091
Accrued liabilities	$ 535	$ 962
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Operating Lease, Right-of-Use Asset	Operating Lease, Right-of-Use Asset
Income taxes payable	$ 464	$ 336
Advanced billings and accounts receivable credits	1,016	1,123
Other	38	664
Total accrued expenses and other current liabilities	$ 3,513	$ 6,176