v3.25.2
Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2025
Jul. 23, 2025
Sep. 30, 2024
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Mar. 31, 2025    
Document Transition Report false    
Entity File Number 001-41940    
Entity Registrant Name AUTONOMIX MEDICAL, INC.    
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     $ 8,113,215
Entity Common Stock, Shares Outstanding (in shares)   5,049,887  
Amendment Description Autonomix Medical, Inc. is filing this Amendment No. 1 on Form 10-K/A, or this Amendment No. 1 to our Annual Report on Form 10-K for the fiscal year ended March 31, 2025, or the Original 10-K, originally filed with the U.S. Securities and Exchange Commission, or SEC, on May 29, 2025, or Original Filing Date, solely for the purpose of including the information required by Items 10 through 14 of Part III of Form 10-K. This information was previously omitted from the Original 10-K in reliance on General Instruction G(3) to Form 10-K, which permits the information in the above referenced items to be incorporated in the Original 10-K by reference from our definitive proxy statement so long as such proxy statement is filed no later than 120 days after our fiscal year-end. We are filing this Amendment No. 1 to include the Part III information in the Original Form 10-K.    
Entity Central Index Key 0001617867    
Current Fiscal Year End Date --03-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag true