Annual report pursuant to Section 13 and 15(d)

Income Taxes - Net deferred income tax assets (Details)

v3.22.0.1
Income Taxes - Net deferred income tax assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Components of Deferred Tax Assets [Abstract]      
Net operating loss carry-forwards $ 165,032 $ 72,092  
Research and development credits 12,864 7,695  
Stock-based compensation 6,264 1,183  
Other 1,207 998  
Total gross deferred income tax assets 185,367 81,968  
Less: Valuation allowance (185,367) (81,968) $ (41,844)
Net deferred income tax assets $ 0 $ 0