XML 11 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 12, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name Tavia Acquisition Corp.  
Entity Central Index Key 0002020385  
Entity File Number 001-42430  
Entity Tax Identification Number 00-0000000  
Entity Incorporation, State or Country Code E9  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
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 Common Stock, Shares Outstanding   15,920,833
Entity Address, Address Line One 850 Library Avenue  
Entity Address, Address Line Two Suite 204  
Entity Address, City or Town Newark  
Entity Address, State or Province DE  
Entity Address, Postal Zip Code 19711  
City Area Code (212)  
Local Phone Number 506-6298  
Units, each consisting of one Ordinary Share and one Right    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Ordinary Share and one Right  
Trading Symbol TAVIU  
Security Exchange Name NASDAQ  
Ordinary shares, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Ordinary Shares, par value $0.0001 per share  
Trading Symbol TAVI  
Security Exchange Name NASDAQ  
Rights, each Right to acquire one-tenth (1/10) of one Ordinary Share    
Document Information [Line Items]    
Title of 12(b) Security Rights, each Right to acquire one-tenth (1/10) of one Ordinary Share  
Trading Symbol TAVIR  
Security Exchange Name NASDAQ