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Stock-Based Compensation and Warrants - Assumptions used for estimating fair value (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Stock-Based Compensation and Warrants    
Exercise price   $ 0.33
Expected dividends 0.00% 0.00%
Expected volatility 95.00% 92.00%
Risk free interest rate   1.12%
Expected life of option (years) 4 years 3 months 18 days 4 years 3 months 18 days
Minimum    
Stock-Based Compensation and Warrants    
Exercise price $ 0.58  
Risk free interest rate 2.65%  
Maximum    
Stock-Based Compensation and Warrants    
Exercise price $ 2.61  
Risk free interest rate 3.77%