Income Taxes - Differences in Total Benefit from or Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Tax benefit at U.S. statutory rate	$ (3,763)	$ (2,746)
Change in valuation allowance	6,009	4,547
Stock-based compensation	(6)	46
Uncertain tax positions	(32)	(194)
State income taxes, net of federal benefit	(1,288)	(1,223)
Foreign income and withholding taxes	8	(560)
Other permanent differences	81	52
PPP loan forgiveness	(667)	0
Provision to return adjustments	(37)	(56)
Provision for (benefit from) income taxes	$ 305	$ (134)