v3.26.1
Stockholders’ Equity and Stock-Based Compensation - Stock Option Activity (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Shares of Stock under Stock Options    
Beginning balance (in shares) 190,000  
Granted (in shares) 493,000  
Exercised (in shares) 0  
Canceled (in shares) (67,000)  
Ending balance (in shares) 616,000 190,000
Vested and exercisable (in shares) 186,000  
Weighted- Average Exercise Price     
Beginning balance (in dollars per share) $ 237.26  
Granted (in dollars per share) 1.26  
Exercised (in dollars per share) 0  
Canceled (in dollars per share) 10.02  
Ending balance (in dollars per share) 71.66 $ 237.26
Vested and exercisable (in dollars per share) $ 228.01  
Weighted- Average Remaining Contractual Term      
Outstanding (in years) 7 years 9 months 25 days 8 years 8 months 15 days
Vested and exercisable (in years) 5 years 7 months 17 days  
Aggregate Intrinsic Value      
Beginning balance $ 0  
Granted 0  
Exercised 0  
Canceled 0  
Ending balance 12,000 $ 0
Vested and exercisable $ 0