v3.26.1
Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Jun. 11, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag true    
Amendment Description On April 1, 2026, Adaptin Bio, Inc. (the “Company”) filed with the Securities and Exchange Commission (“SEC”) its Annual Report on Form 10-K for the year ended December 31, 2025 (the “Original Form 10-K”).This Amendment No. 1 to Form 10-K (the “Form 10-K/A”) of the Company is being filed solely to amend Item 15(b) and Exhibit 23.1 to include an updated consent of WithumSmith+Brown, PC, the Company’s independent registered public accounting firm, to include references to a registration statement of the Company which was inadvertently omitted from the original consent filed.This Form 10-K/A should be read in conjunction with the Original Form 10-K and includes only the portions of the Original Form 10-K being supplemented or amended by this Form 10-K/A. Other than as described in this explanatory note, this Form 10-K/A does not change any of the financial or other information set forth in the Original Form 10-K or the exhibits thereto. This Form 10-K/A does not reflect events that may have occurred subsequent to the filing of the Original Form 10-K.    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block] Not applicable    
Entity Registrant Name ADAPTIN BIO, INC.    
Entity Central Index Key 0001938571    
Entity File Number 000-56583    
Entity Tax Identification Number 88-1566415    
Entity Incorporation, State or Country Code DE    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Public Float     $ 9.3
Entity Address, Address Line One 3540 Toringdon Way    
Entity Address, Address Line Two Suite 200    
Entity Address, Address Line Three #250    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28277    
City Area Code (888)    
Local Phone Number 609-1498    
Title of 12(b) Security N/A    
No Trading Symbol Flag true    
Entity Common Stock, Shares Outstanding   8,903,229