XML 12 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
Apr. 29, 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 Information [Line Items]    
Entity Registrant Name NEXT TECHNOLOGY HOLDING INC.  
Entity Central Index Key 0001784970  
Entity File Number 001-41450  
Entity Tax Identification Number 84-4948289  
Entity Incorporation, State or Country Code WY  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Incorporation, Date of Incorporation Mar. 28, 2019  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 1376-7 OBA  
Entity Address, Address Line Two SAITAMA PREFECTUREGRANDAGE 3  
Entity Address, Address Line Three TAKEBASHI 408  
Entity Address, City or Town KASUKABE CITY  
Entity Address, Country JP  
Entity Address, Postal Zip Code 344-0021  
Entity Phone Fax Numbers [Line Items]    
City Area Code +81  
Local Phone Number 7094081304  
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   76,264,374