v3.26.1
Cover
Mar. 25, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 25, 2026
Entity File Number 001-41450
Entity Registrant Name NEXT TECHNOLOGY HOLDING INC.
Entity Central Index Key 0001784970
Entity Tax Identification Number 84-4948289
Entity Incorporation, State or Country Code WY
Entity Address, Address Line One 1376-7 OBA
Entity Address, Address Line Two SAITAMA PREFECTURE GRANDAGE 3, TAKEBASHI 408
Entity Address, City or Town KASUKABE CITY
Entity Address, Country JP
Entity Address, Postal Zip Code 344-0021
City Area Code +81
Local Phone Number 7094081304
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, no par value per share
Trading Symbol NXTT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false