v3.26.3
Document And Entity Information - shares
 3 Months Ended
Jul. 31, 2026
Sep. 11, 2026
Document Information [Line Items]    
Entity Central Index Key 0001468492  
Entity Registrant Name HeartSciences Inc.  
Amendment Flag false  
Current Fiscal Year End Date --04-30  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2027  
Entity Incorporation, State or Country Code TX  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jul. 31, 2026  
Document Transition Report false  
Entity File Number 001-41422  
Entity Tax Identification Number 26-1344466  
Entity Address, Address Line One 550 Reserve Street, Suite 360  
Entity Address, City or Town Southlake  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76092  
City Area Code 682  
Local Phone Number 237-7781  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   4,800,172
Warrant [Member]    
Document Information [Line Items]    
Title of 12(b) Security Warrants  
Trading Symbol HSCSW  
Security Exchange Name NASDAQ  
Common Stock [Member]    
Document Information [Line Items]    
Title of 12(b) Security Common Stock  
Trading Symbol HSCS  
Security Exchange Name NASDAQ