v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
Jun. 25, 2026
Document Information Line Items    
Entity Registrant Name HUDSON ACQUISITION I CORP.  
Entity Central Index Key 0001853047  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company true  
Entity Emerging Growth Company true  
Entity Current Reporting Status Yes  
Document Period End Date Mar. 31, 2026  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Entity Ex Transition Period false  
Entity Common Stock Shares Outstanding   2,119,596
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-41532  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 86-2712843  
Entity Address Address Line 1 31 Hudson Yards  
Entity Address Address Line 2 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 Interactive Data Current No  
Common Stocks [Member]    
Document Information Line Items    
Security 12g Title Common Stock  
Trading Symbol HUDA  
Security Exchange Name NASDAQ  
Right [Member]    
Document Information Line Items    
Security 12g Title Rights  
Trading Symbol HUDAR  
Security Exchange Name NASDAQ  
Units [Member]    
Document Information Line Items    
Security 12g Title Units  
Trading Symbol HUDAU  
Security Exchange Name NASDAQ