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Fair Value (Details Narrative) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]      
Expected volatility 95.52% 99.52%  
Risk-free interest rate 0.52% 1.33%  
Expected term 5 years 8 months 12 days 5 years 9 months 21 days  
Warrant [Member]      
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]      
Expected volatility 72.62%   88.46%
Risk-free interest rate 0.46%   0.27%
Strike price $ 0.50   $ 0.50
Fair value of common stock $ 1.40   $ 1.36
Expected term 3 years 4 months 17 days   3 years 10 months 24 days