v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
USD ($)
shares
Document Information [Line Items]  
Document Type 10-K
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Entity Interactive Data Current No
ICFR Auditor Attestation Flag false
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Registrant Name HUDSON ACQUISITION I CORP.
Entity Central Index Key 0001853047
Entity File Number 001-41532
Entity Tax Identification Number 86-2712843
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 No
Entity Shell Company true
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Public Float | $ $ 0
Entity Address, Address Line One 31 Hudson Yards
Entity Address, Address Line Two Office 51
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10001
City Area Code (347)
Local Phone Number 410-4710
Entity Common Stock, Shares Outstanding | shares 2,119,596
Common Stock  
Document Information [Line Items]  
Title of 12(g) Security Common Stock
Trading Symbol HUDA
Security Exchange Name NASDAQ
Rights  
Document Information [Line Items]  
Title of 12(g) Security Rights
Trading Symbol HUDAR
Security Exchange Name NASDAQ
Units  
Document Information [Line Items]  
Title of 12(g) Security Units
Trading Symbol HUDAU
Security Exchange Name NASDAQ