Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Details 2)

v3.25.3
Stockholders' Equity (Details 2) - Restricted Stock Units (RSUs) [Member] - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Number of options outstanding at beginning of period 7,567 6,725 6,725  
Weighted average exercise price at beginning of period $ 15.98 $ 22.50 $ 22.50  
Weighted average remaining life (years) 1 year 10 months 20 days 1 year 9 months 25 days 1 year 6 months 29 days 2 years 25 days
Aggregate intrinsic value at beginning of period $ 20,734 $ 40,350 $ 40,350  
Number of options, Granted 8,900 8,730    
Weighted average grant - date fair value price, Granted $ 4.40 $ 8.38    
Aggregate intrinsic value Granted $ 24,386 $ 52,380    
Number of options, Exercised 0 0    
Weighted average exercise price, Exercised $ 0 $ 0    
Aggregate intrinsic value Exercised $ 0 $ 0    
Number of options, Forfeited/canceled (3,415) (6,611)    
Weighted average exercise price, Forfeited/canceled $ 6.86 $ 13.19    
Aggregate intrinsic value Forfeited/canceled $ (9,357) $ (39,666)    
Number of options outstanding at ending of period 13,032 8,844 7,567 6,725
Weighted average exercise price at ending of period $ 10.04 $ 15.52 $ 15.98 $ 22.50
Aggregate intrinsic value at ending of period $ 35,763 $ 53,064 $ 20,734 $ 40,350
Weighted average exercise price, Forfeited/canceled $ (6.86) $ (13.19)