v3.25.3
Document and Entity Information
Dec. 03, 2025
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Dec. 03, 2025
Entity Registrant Name SEMNUR PHARMACEUTICALS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-41351
Entity Tax Identification Number 00-0000000
Entity Address Address Line 1 960 San Antonio Road
Entity Address City Or Town Palo Alto
Entity Address State Or Province CA
Entity Address Postal Zip Code 94303
City Area Code 650
Local Phone Number 422-7515
Entity Information Former Legal Or Registered Name Denali Capital Acquisition Corp.
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0001913577
Former Address [Member]  
Document And Entity Information [Line Items]  
Entity Address Address Line 1 437 Madison Avenue
Entity Address Address Line 2 27th Floor
Entity Address City Or Town New York
Entity Address State Or Province NY
Entity Address Postal Zip Code 10022
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common stock, par value $0.0001 per share
Trading Symbol SMNR
Security Exchange Name NONE
Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants to purchase one share of common stock, each at an exercise price of $11.50 per share
Trading Symbol SMNRW
Security Exchange Name NONE