v3.26.1
Stock Incentive and Employee Benefit Plan (Additional Information) (Details) - USD ($)
3 Months Ended
Jul. 22, 2025
Jul. 01, 2024
Feb. 13, 2023
Oct. 17, 2022
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Jun. 18, 2024
Jan. 17, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of option outstanding to purchase common stock         1,494,000   1,504,000    
Common stock, shares outstanding         8,491,267   7,033,004    
Stock-based compensation         $ 3,629,000 $ 3,314,000      
Unrecognized compensation cost related to unvested stock option grants         16,200,000        
Employee benefit plan contributions by employer         100,000 200,000      
Stock issued for services, shares   285,714 114,286            
Accrued legal fees         $ 0        
Common stock, shares issued         8,491,267   7,033,004 3,250,000  
Common Stock [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Shares issued under ESPP, shares         0        
2022 Equity Incentive Plan                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of option outstanding to purchase common stock         1,494,241        
Common stock shares reserved for future issuance         1,051,604        
2023 Inducement Plan                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of shares available for grant                 40,000
Stock-based compensation         $ 3,600,000 3,300,000      
Weighted average period over grant         2 years 10 months 24 days        
2022 Employee Stock Purchase Plan                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Common stock shares reserved for future issuance         170,575        
Stock-based compensation         $ 12,200 $ 50,200      
Purchase price of the common stock percentage       85.00%          
2022 Employee Stock Purchase Plan | Maximum                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Common stock shares reserved for future issuance         217,302        
Semnur 2024 Stock Option Plan                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Common stock shares reserved for future issuance         40,000,000        
Retainer Shares                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Stock issued for services, shares 10,000,000                
Shares Exchanged for Share 12,500,000