Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Effective Tax Rate of Provision (Benefit) for Income Taxes (Details)

v3.20.4
Income Taxes - Schedule of Effective Tax Rate of Provision (Benefit) for Income Taxes (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00% 21.00% 21.00%
State tax (0.10%)    
Change in valuation allowance (34.70%) (22.70%) (32.70%)
Tax credits 9.30% 4.90% 7.50%
Stock compensation (1.90%) (1.30%) (0.50%)
ASC 606 adoption   (3.90%)  
Other 6.10% 2.00% 4.70%
Total (0.30%) 0.00% 0.00%