Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Significant Components of Net Deferred Tax Assets (Detail)

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Income Taxes - Schedule of Significant Components of Net Deferred Tax Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets    
Net operating loss carryforward $ 42,029 $ 26,554
Research and development credits 9,066 4,147
Deferred stock compensation 3,260 1,571
Deferred revenue 5,195 1,956
Lease liability 3,045 2,835
Other 1,301 736
Total deferred tax assets 63,896 37,799
Total deferred tax liabilities    
Depreciable and amortizable assets (1,677) (1,340)
Right-of-use asset (2,344) (2,112)
R&D intangible assets   (956)
Total deferred tax liabilities (4,021) (4,408)
Less: Valuation allowance (59,875) (33,391)
Net deferred tax assets $ 0 $ 0