v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2026
May 21, 2026
Sep. 30, 2025
Document Information [Line Items]      
Entity Central Index Key 0001617867    
Entity Registrant Name Autonomix Medical, Inc.    
Amendment Flag false    
Current Fiscal Year End Date --03-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2026    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Mar. 31, 2026    
Document Transition Report false    
Entity File Number 001-41940    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-1607810    
Entity Address, Address Line One 21 Waterway Avenue, Suite 300    
Entity Address, City or Town The Woodlands    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77380    
City Area Code 713    
Local Phone Number 588-6150    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol AMIX    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] true    
Document Financial Statement Restatement Recovery Analysis [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 6,307,279
Entity Common Stock, Shares Outstanding   11,409,344  
Auditor Name Forvis Mazars, LLP    
Auditor Firm ID 686    
Auditor Location Atlanta, Georgia