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Stockholders' Equity - Estimates Utilized (Details) - Stock option - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of options issued (in dollars per share) $ 0.77 $ 3.92
Exercise price (in dollars per share) $ 0.95 $ 5.07
Expected life of option (in years) 6 years 1 month 6 days 6 years 2 months 12 days
Risk-free interest rate 3.00% 0.90%
Expected volatility 104.00% 96.30%
Dividend yield 0.00% 0.00%