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Income Taxes (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes    
Tax benefit at statutory federal rate $ (1,990,000) $ (1,545,000)
State income tax benefit, net of federal tax effect (16,000) (24,000)
Change in valuation allowance on deferred tax assets 2,159,000 1,781,000
Research and Development Credits (450,000) (138,000)
Other permanent items 297,000 (74,000)
Income tax benefits $ 0 $ 0