Document And Entity Information - USD ($)	12 Months Ended
Document And Entity Information - USD ($)	Mar. 31, 2026	Jun. 10, 2026	Sep. 30, 2025
Document Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Mar. 31, 2026
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			$ 6,307,279
Entity Common Stock, Shares Outstanding (in shares)		11,409,344
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, 2026, or the Original 10-K, originally filed with the U.S. Securities and Exchange Commission, or SEC, on May 27, 2026, 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

Autonomix Medical, Inc. 10-K/A