v3.26.1

Cover - USD ($) $ in Millions	12 Months Ended
Cover - USD ($) $ in Millions	Mar. 31, 2026	Jun. 12, 2026	Sep. 30, 2025
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 31, 2026
Current Fiscal Year End Date	--03-31
Document Transition Report	false
Entity File Number	001-37761
Entity Registrant Name	Vistagen Therapeutics, Inc.
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	20-5093315
Entity Address, Address Line One	343 Allerton Avenue
Entity Address, City or Town	South San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94080
City Area Code	650
Local Phone Number	577-3600
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	VTGN
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	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 137.7
Entity Common Stock, Shares Outstanding		41,032,453
Amendment Flag	false
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	FY
Entity Central Index Key	0001411685

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Vistagen Therapeutics, Inc. 10-K