Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.23.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - 2014 Plan - Share-Based Payment Arrangement, Option - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Number of Shares    
Balance at the beginning (in shares) 42,995,062  
Granted (in shares) 5,100,000  
Exercised (in shares) 0  
Cancelled (in shares) (1,517,020)  
Forfeited (in shares) (2,644,792)  
Balance at the ending (in shares) 43,933,250 42,995,062
Exercisable (in shares) 25,699,417  
Weighted Average Exercise Price    
Balance at the beginning (in dollars per share) $ 0.18  
Granted (in dollars per share) 0.02  
Exercised (in dollars per share) 0  
Cancelled (in dollars per share) 0.60  
Forfeited (in dollars per share) 0.17  
Balance at the ending (in dollars per share) 0.15 $ 0.18
Exercisable (in dollars per share) $ 0.23  
Weighted Average Remaining Contractual Term (Years)    
Weighted Average Remaining Contractual Term (Years) 3 years 7 months 17 days 7 years 1 month 20 days
Weighted Average Remaining Contractual Term, Exercisable 3 years 3 months 10 days  
Aggregate Intrinsic Value $ 0 $ 0
Aggregate Intrinsic Value, Exercisable $ 0