v3.26.1
Loan Payable (Tables)
3 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Schedule of Fair Value Inputs Key assumptions used to determine the fair value of the May 2025 Convertible Note were as follows:
January 9,
2026
December 31,
2025
Expected term (years)0.840.96
Stock price$12.46 $4.87 
Volatility45.00 %45.00 %
Risk-free rate3.54 %3.49 %
Dividend yield— %— %
Key assumptions used to determine the fair value of the AIR Warrants as of December 31, 2025, were as follows:
Underlying Investor Warrants (BSM)Junior Convertible Notes
Expected term (years)5.000.92
Stock price$4.87 $4.87 
Volatility87.50%45.00 %
Risk-free rate3.73 %3.50 %
Dividend yield— %— %
Discount rate on the note78.64 %78.64 %
Exercise price of AIR Warrants (millions)$3.7 $3.7 
The following inputs were used in the convertible bond and BSM option pricing models:
Underlying Investor Warrants (BSM)Junior Convertible Notes
Expected term (years)5.000.92
Stock price$22.13 $22.13 
Volatility87.50%45.00%
Risk-free rate3.75 %3.49 %
Dividend yield— %— %
Discount rate on the noteN/A78.64 %
Exercise price of AIR Warrants (millions)$3.7 $3.7 
The Company determined the fair value of the Initial Tranche Warrants by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.00
Stock price$29.99 
Volatility90.00 %
Risk-free rate4.04 %
Dividend yield0.00 %
The Company determined the fair value of the Second Tranche Warrants by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.00
Stock price$20.17 
Volatility90.00 %
Risk-free rate3.84 %
Dividend yield0.00 %
The Company determined the fair value of the September 2025 SIV Warrants by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.00
Stock price$21.42 
Volatility87.50 %
Risk-free rate3.57 %
Dividend yield0.00 %
The Company determined the incremental fair value of the SIV Modified Warrants by using a BSM option pricing model, with the following assumptions:
Pre-modificationPost-modification
Expected term (years)4.634.63
Stock price$21.42 $21.42 
Exercise price$132.27 $19.81 
Volatility87.50 %87.50 %
Risk-free rate3.55 %3.55 %
Dividend yield0.00 %0.00 %
The Company determined the fair value of the December 2025 SIV Warrants by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.00
Stock price$14.28 
Volatility82.50 %
Risk-free rate3.72 %
Dividend yield0.00 %
The significant inputs into the BSM option pricing model at the initial recognition date are as follows:
January 2026 WarrantsJanuary 2026 Placement Agent Warrants
Warrant term (years)5.085.00
Stock price$9.83 $9.83 
Volatility85.00 %85.00 %
Risk-free rate3.73 %3.72 %
Dividend yield— %— %
The significant inputs into the BSM option pricing model before and after the modification date are as follows:
Pre-modificationPost-modification
October 2025 WarrantsDecember 2025 WarrantsJanuary 2026 Modified Warrants
Warrant term (years)5.095.095.09
Stock price$8.82 $8.82 $8.82 
Volatility85.00 %85.00 %85.00 %
Risk-free rate3.72 %3.72 %3.72 %
Dividend yield0.00 %0.00 %0.00 %
The significant inputs into the BSM option pricing model immediately before modification date are as follows:
Expected term (years)4.77
Stock price$13.57 
Volatility82.50 %
Risk-free rate3.76 %
Dividend yield0.00 %
The Company determined the fair value of the December 2025 Warrants at issuance by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.15
Stock price$16.96 
Volatility82.50 %
Risk-free rate3.73 %
Dividend yield0.00 %
The significant inputs into the BSM option pricing model before and after the modification date are as follows:
Pre-modificationPost-modification
Expected term (years)5.165.16
Stock price$13.57 $13.57 
Volatility82.50 %82.50 %
Risk-free rate3.79 %3.79 %
Dividend yield0.00 %0.00 %
The significant inputs into the BSM option pricing model immediately before the modification date are as follows:
March 2025 WarrantsJuly 2025 Warrants
Expected term (years)4.444.71
Stock price$30.52 $30.52 
Volatility85.00 %85.00 %
Risk-free rate3.56 %3.58 %
Dividend yield0.00 %0.00 %
The Company determined the fair value of the October 2025 Warrants at issuance by using a BSM option pricing model, with the following assumptions:
Expected term (years)5.31
Stock price$30.52 
Volatility85.00 %
Risk-free rate3.63 %
Dividend yield0.00 %
The significant inputs into the BSM option pricing model immediately before the modification date are as follows:
February 2025 WarrantsInvestor Modified Warrants
Warrant term (years)4.494.35-4.70
Stock price$34.09 $34.09 
Volatility87.50 %87.50 %
Risk-free rate3.74 %3.73 %-3.75%
Dividend yield0.00 %0.00 %
The Company determined the fair value of the August 2025 Warrants at issuance by using a BSM option pricing model, with the following assumptions:
Warrant term (years)5.09
Stock price$34.09 
Volatility87.50 %
Risk-free rate3.78 %
Dividend yield0.00 %
The significant inputs into the BSM option pricing model before and after the modification date are as follows:
Pre-modificationPre-modification
Warrant term (years)4.47-4.824.47-4.82
Stock price$21.78 $21.78 
Volatility90.00 %90.00 %
Risk-free rate3.76 %-3.78%3.76 %-3.78%
Dividend yield0.00 %0.00 %