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Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2025
Sep. 27, 2025
Dec. 31, 2024
Document And Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 30, 2025    
Entity File Number 001-36081    
Entity Registrant Name NANOVIRICIDES, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 76-0674577    
Entity Address, Address Line One 1 CONTROLS DRIVE    
Entity Address, City or Town SHELTON    
Entity Address, State or Province CT    
Entity Address, Postal Zip Code 06484    
City Area Code 203    
Local Phone Number 937-6137    
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    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Title of 12(b) Security COMMON STOCK, PAR VALUE $0.00001 PER SHARE    
Trading Symbol NNVC    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   17,431,000  
Entity Public Float     $ 21,530,000
Entity Central Index Key 0001379006    
Current Fiscal Year End Date --06-30    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false    
Document Transition Report false    
ICFR Auditor Attestation Flag false    
Auditor Name EISNERAMPER LLP    
Auditor Firm ID 274    
Auditor Location Iselin, New Jersey