Balance Sheet Components - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Balance Sheet Components [Abstract]
Accrued salary and payroll-related expenses		$ 863	$ 872
Accrued liabilities		236	376
Income taxes payable		99	192
Advanced billings and customer credits	[1]	603	636
Other		19	23
Total accrued expenses and other current liabilities		$ 1,820	$ 2,099

[1] During the year ended December 31, 2023, the Company wrote off customer credit balances of $443 as credits to credit loss expense, of which approximately $300 were written off during the three months ended March 31, 2023. No customer credit balances were written off during the three months ended March 31, 2024.