Annual report pursuant to Section 13 and 15(d)

Income Taxes - Effective Income Tax Rate Reconciliation (Details)

v3.21.1
Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Income tax at statutory rate $ (4,661) $ (2,703)
Valuation allowance 4,408 2,948
State income tax, net of federal benefit (330) (606)
Business tax credit net of reserves 0 0
Non-deductible expenses 585 365
Foreign income taxes at different rate 0 1
Income tax expense $ 2 $ 5
Effective tax rate (as a percent) (0.01%) (0.04%)