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Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Abstract]    
Net operating loss carryforwards $ 16,964,199 $ 12,251,892
Foreign research and development tax credit carryforwards 2,679,180 2,564,679
Property and equipment 56,697 429,764
Intangibles 3,122,394 3,241,649
Total deferred tax assets 22,822,470 18,487,984
Valuation allowance (22,822,470) (18,487,984)
Net deferred tax assets