Cover - USD ($)	12 Months Ended
Cover - USD ($)	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

MILESTONE SCIENTIFIC INC. 10-K/A