v3.26.1
Cover - USD ($)
12 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description Milestone Scientific Inc. (the “Company”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment”) to amend its Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission on March 31, 2026 (the “Original Form 10-K”).This Amendment is being filed solely to:   (i) include the entire Restated Certificate of Incorporation of the Company as Exhibit 3.1; and (ii) restore the Company’s Amended and Restated By-laws as Exhibit 3.2.   The Original Form 10-K correctly described the Company’s Restated Certificate of Incorporation; however, the exhibit link inadvertently omitted a portion of the filed text. In addition, the Company’s Amended and Restated By-laws, which were previously filed as Exhibit 3.2 to the Company’s Form 10-K filed on April 1, 2025, were inadvertently omitted from the Original Form 10-K.      
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --12-31    
Entity File Number 001-14053    
Entity Registrant Name Milestone Scientific Inc.    
Entity Central Index Key 0000855683    
Entity Tax Identification Number 13-3545623    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 425 Eagle Rock Avenue    
Entity Address, City or Town Roseland    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07068    
City Area Code 973    
Local Phone Number 535-2717    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol MLSS    
Security Exchange Name NYSEAMER    
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    
Entity Shell Company false    
Entity Public Float     $ 39,730,497
Entity Common Stock, Shares Outstanding   80,453,116  
Documents Incorporated by Reference [Text Block] None    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Listing, Par Value Per Share $ 0.001