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Income Tax - Summary of Net Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Deferred tax asset    
Net operating loss carryforward $ 22,183 $ 13,442
Research and development tax credits 11,074 3,721
Capitalized research and development costs 46,260 33,435
Stock-based compensation 4,396 1,857
Accrued bonus 1,090 1,924
Lease Liability 1,165 953
Other 0 26
Total deferred tax assets 86,168 55,358
Deferred tax liabilities:    
Unrealized gain on marketable securities 0 0
Right of use asset (1,036) (896)
Other (9) 0
Total deferred tax liabilities (1,045) (896)
Valuation allowance (85,123) (54,462)
Net deferred tax assets $ 0 $ 0