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Equity Offerings (Details)
3 Months Ended
Jan. 09, 2023
Mar. 31, 2024
Risk-free interest rate   4.28%
Volatility   178.14%
Expected dividend yield   0.00%
Expected life (in years)   6 years 6 months
Series B Warrants [Member] | 2023 Warrant Repricing [Member]    
Risk-free interest rate 3.60%  
Volatility 115.42%  
Expected dividend yield 0.00%  
Expected life (in years) 6 months 15 days  
Series C Warrants [Member] | 2023 Warrant Repricing [Member]    
Risk-free interest rate 3.66%  
Volatility 127.65%  
Expected dividend yield 0.00%  
Expected life (in years) 4 months 15 days  
Series E Warrants [Member] | 2023 Warrant Repricing [Member]    
Risk-free interest rate 3.66%  
Volatility 124.07%  
Expected dividend yield 0.00%  
Expected life (in years) 5 months  
5/22/2020 Raise [Member] | 2023 Warrant Repricing [Member]    
Risk-free interest rate 4.06%  
Volatility 132.55%  
Expected dividend yield 0.00%  
Expected life (in years) 2 months 18 days  
8/3/20 Raise [Member] | 2023 Warrant Repricing [Member]    
Risk-free interest rate 4.06%  
Volatility 135.35%  
Expected dividend yield 0.00%  
Expected life (in years) 2 months 12 days