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Deerfield Warrants (Tables)
9 Months Ended
Sep. 30, 2023
Subclassifications of assets, liabilities and equities [abstract]  
Schedule of valuation inputs Key inputs for the valuation of the warrant obligation as of September 30, 2023 and December 31, 2022 were as follows:
As ofAs of
September 30, 2023December 31, 2022
Exercise price in USD
24.70 and 28.07
24.70 and 28.07
Share price in USD
0.90 3.84 
Risk-free interest rate5.2 %4.3 %
Expected volatility92.1 %70.0 %
Expected term (months)19.7 months28.7 months
Dividend yield— — 
Black-Scholes value in USD
0.004 and 0.003
0.20 and 0.16