v3.26.1
Cover - $ / shares
6 Months Ended
Jun. 30, 2026
Aug. 14, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity File Number 000-56257  
Entity Registrant Name ACCUSTEM SCIENCES, INC.  
Entity Central Index Key 0001850767  
Entity Tax Identification Number 87-3774438  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 420 Lexington Avenue  
Entity Address, Address Line Two Suite 1402  
Entity Address, City or Town NY  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10001  
City Area Code 00 44  
Local Phone Number 2074952379  
Title of 12(b) Security Common Stock  
Trading Symbol ACUT  
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  
Elected Not To Use the Extended Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   16,072,267
Entity Listing, Par Value Per Share $ 0.001