v3.26.1
Cover
Aug. 25, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 25, 2026
Entity File Number 001-43445
Entity Registrant Name ADVASA HOLDINGS, INC.
Entity Central Index Key 0002084227
Entity Tax Identification Number 39-3819559
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1-2-7 Moto-Akasake
Entity Address, Address Line Two Minato-ku
Entity Address, City or Town Tokyo
Entity Address, Country JP
Entity Address, Postal Zip Code 107-0051
Country Region +81
City Area Code 3
Local Phone Number 6868-5538
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.00001
Trading Symbol ADBT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false