XML 56 R46.htm IDEA: XBRL DOCUMENT v3.25.3
Stock-Based Compensation - Stock Option Valuation (Details) - Exercise of outstanding stock options
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Assumptions used to determine the fair value of stock options granted    
Risk‑free interest rate 4.03% 4.15%
Expected volatility 79.00% 75.00%
Expected dividend yield 0.00% 0.00%
Expected term (in years) 6 years 6 years