Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 21, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --12-31    
Entity File Number 001-15771    
Entity Registrant Name ABEONA THERAPEUTICS INC.    
Entity Central Index Key 0000318306    
Entity Tax Identification Number 83-0221517    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 1330 Avenue of the Americas    
Entity Address, Address Line Two 33rd Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10019    
City Area Code (646)    
Local Phone Number 813-4701    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol ABEO    
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     $ 137,200,000
Entity Common Stock, Shares Outstanding   147,378,022  
ICFR Auditor Attestation Flag false    
Auditor Firm ID 726    
Auditor Name WHITLEY PENN LLP    
Auditor Location Plano, Texas