Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Mar. 21, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2023    
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 7380 Coca Cola Drive    
Entity Address, Address Line Two Suite 106    
Entity Address, City or Town Hanover    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 21076    
City Area Code 443    
Local Phone Number 776-3133    
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     $ 10.2
Entity Common Stock, Shares Outstanding   2,855,981  
Documents Incorporated by Reference [Text Block] Portions of the Proxy Statement for the registrant’s 2024 Annual Meeting of Stockholders (the “Proxy Statement”) to be filed within 120 days of the end of the fiscal year ended December 31, 2023 are incorporated by reference into Part III hereof. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as a part hereof    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 6143    
Auditor Name BD & Company, Inc    
Auditor Location Owings Mills, MD