Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income Tax Reconciliation (Details)

v3.20.4
Income Taxes - Income Tax Reconciliation (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Tax benefit at the U.S. federal statutory rate, amount $ (3,054,000) $ (2,888,000)
Tax benefit at the U.S. federal statutory rate, percent (21.00%) (21.00%)
Tax rate change, amount $ 0 $ 0
Tax rate change, percent 0.00% 0.00%
Permanent differences, amount $ 5,000 $ 25,000
Permanent differences, percent 0.03% 0.18%
Return to provision, amount $ (5,000) $ (25,000)
Return to provision, percent (0.03%) (0.18%)
Valuation allowance, amount $ 3,054,000 $ 2,888,000
Valuation allowance, percent 21.00% 21.00%
Effective income tax rate, amount $ 0 $ 0
Effective income tax rate, percent 0.00% 0.00%