Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2022
Aug. 09, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2022  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Document Transition Report false  
Entity File Number 001-34079  
Entity Registrant Name Ocuphire Pharma, Inc.  
Entity Central Index Key 0001228627  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 11-3516358  
Entity Address, Address Line One 37000 Grand River Avenue, Suite 120  
Entity Address, City or Town Farmington Hills  
Entity Address, State or Province MI  
Entity Address, Postal Zip Code 48335  
City Area Code 248  
Local Phone Number 681-9815  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol OCUP  
Security Exchange Name NASDAQ  
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 Common Stock, Shares Outstanding   20,579,779