0001628280-26-007718 | 10-Q | XBRL Viewer | Vistagen Therapeutics INC

Cover - shares	9 Months Ended
Cover - shares	Dec. 31, 2025	Feb. 11, 2026
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Dec. 31, 2025
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 Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		39,620,317
Entity Central Index Key	0001411685
Current Fiscal Year End Date	--03-31
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q3
Amendment Flag	false

Label	Element	Value
Stock Issued During Period, Shares And Warrants, New Issues	vtgn_StockIssuedDuringPeriodSharesAndWarrantsNewIssues	788,359
Non-Cash Interest Expense	vtgn_NonCashInterestExpense	$ 1,000
Non-Cash Interest Expense	vtgn_NonCashInterestExpense	0
Accretion on Marketable Securities	vtgn_AccretionOnMarketableSecurities	(412,000)
Accretion on Marketable Securities	vtgn_AccretionOnMarketableSecurities	(261,000)
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Amortized Cost	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAmortizedCost	14,386,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Amortized Cost	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAmortizedCost	14,386,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Amortized Cost	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAmortizedCost	13,346,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Amortized Cost	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAmortizedCost	13,346,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Gain,	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedGain	13,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Gain,	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedGain	13,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Gain,	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedGain	5,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Gain,	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedGain	5,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	0
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	0
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	0
Debt Securities, Available-for-Sale And Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	0
Debt Securities, Available-for-Sale And Cash And Cash Equivalents	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalents	14,399,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalents	14,399,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalents	13,351,000
Debt Securities, Available-for-Sale And Cash And Cash Equivalents	vtgn_DebtSecuritiesAvailableForSaleAndCashAndCashEquivalents	13,351,000
Stock Sales Agreement, Remaining Amount Available	vtgn_StockSalesAgreementRemainingAmountAvailable	100,000,000
Stock Sales Agreement, Remaining Amount Available	vtgn_StockSalesAgreementRemainingAmountAvailable	$ 140,500,000
Warrants Exercisable Percentage Of Common Shares Outstanding Minimum Benchmark	vtgn_WarrantsExercisablePercentageOfCommonSharesOutstandingMinimumBenchmark	9.99%
Warrants Exercisable Percentage Of Common Shares Outstanding Maximum Benchmark	vtgn_WarrantsExercisablePercentageOfCommonSharesOutstandingMaximumBenchmark	19.99%
Warrant Percentage Increase or Decrease Notice Period	vtgn_WarrantPercentageIncreaseOrDecreaseNoticePeriod	61 days
Stock Sales Agreement Maximum Aggregate Offering Price	vtgn_StockSalesAgreementMaximumAggregateOfferingPrice	$ 75,000,000.0
Stock Sales Agreement Maximum Aggregate Offering Price	vtgn_StockSalesAgreementMaximumAggregateOfferingPrice	100,000,000
Stock Sales Agreement Maximum Aggregate Offering Price	vtgn_StockSalesAgreementMaximumAggregateOfferingPrice	$ 175,000,000
Stock Sales Agreement, Commission On Shares Sold Percentage	vtgn_StockSalesAgreementCommissionOnSharesSoldPercentage	0.030
Class Of Warrant Or Right Weighted Average Exercise Price	vtgn_ClassOfWarrantOrRightWeightedAverageExercisePrice	$ 6.42
Class of Warrant or Right, Outstanding Warrants Subject to Anti-Dilution Protection Feature	vtgn_ClassOfWarrantOrRightOutstandingWarrantsSubjectToAntiDilutionProtectionFeature	0
Class of Warrant or Right, Exercises In Period	vtgn_ClassOfWarrantOrRightExercisesInPeriod	788,620
Class of Warrant or Right, Expired In Period	vtgn_ClassOfWarrantOrRightExpiredInPeriod	33,334
Class of Warrant or Right, Expired In Period	vtgn_ClassOfWarrantOrRightExpiredInPeriod	12,352
Contract With Customer, Asset, Increase For Additions	vtgn_ContractWithCustomerAssetIncreaseForAdditions	$ 0
Contract With Customer, Asset, Decrease For Deductions	vtgn_ContractWithCustomerAssetDecreaseForDeductions	56,000
Contract With Customer, Liability, Increase For Additions	vtgn_ContractWithCustomerLiabilityIncreaseForAdditions	0
Contract With Customer, Liability, Decrease for Deductions	vtgn_ContractWithCustomerLiabilityDecreaseForDeductions	804,000
Upfront License Payment	vtgn_UpfrontLicensePayment	5,000,000.0
Revenue Recognition Milestone Method Maximum Milestone Payments Permitted	vtgn_RevenueRecognitionMilestoneMethodMaximumMilestonePaymentsPermitted	$ 172,000,000.0
Collaborative Arrangement, Termination Period Option One	vtgn_CollaborativeArrangementTerminationPeriodOptionOne	14 months
Collaborative Arrangement, Termination Period Option Two	vtgn_CollaborativeArrangementTerminationPeriodOptionTwo	90 days
Collaborative Arrangement, Upfront Payment	vtgn_CollaborativeArrangementUpfrontPayment	$ 1,500,000
Consulting Fees Initial Payment	vtgn_ConsultingFeesInitialPayment	100,000
Consulting Fees Monthly Payment	vtgn_ConsultingFeesMonthlyPayment	$ 10,000

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Dec. 31, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

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