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Stock Plans and Stock Based Compensation - Key Assumptions (Details)
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-Based Payment Arrangement [Abstract]    
Expected term 5 years 6 months 5 years 6 months
Risk -free Interest rate (minimum) 1.40% 0.40%
Risk -free Interest rate (maximum) 2.90% 1.40%
Expected volatility (minimum) 110.00%  
Expected volatility (maximum) 114.00%  
Expected volatility   109.00%