Annual report [Section 13 and 15(d), not S-K Item 405]

Cover

v3.26.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 13, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --12-31    
Entity File Number 001-39531    
Entity Registrant Name Processa Pharmaceuticals, Inc.    
Entity Central Index Key 0001533743    
Entity Tax Identification Number 45-1539785    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 601 21st Street    
Entity Address, Address Line Two Suite 300    
Entity Address, City or Town Vero Beach    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 32960    
City Area Code (772)    
Local Phone Number 453-2899    
Title of 12(b) Security Common Stock, $0.0001 par value per share    
Trading Symbol PCSA    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 8.1
Entity Common Stock, Shares Outstanding   2,660,039  
Documents Incorporated by Reference [Text Block] Information required in response to Part III of this Annual Report on Form 10-K is hereby incorporated by reference from portions of the registrant’s proxy statement for its 2026 annual meeting of stockholders. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2025    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 677    
Auditor Name Cherry Bekaert LLP    
Auditor Location Tampa, Florida