Consolidated Balance Sheets - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,977,713	$ 8,715,279
Marketable securities	2,976,573	0
Accounts receivable (net of allowance for credit losses of $10K at December 31, 2023 and 2022)	312,664	693,717
Prepaid expenses and other current assets	517,785	443,872
Inventories	2,638,186	1,792,335
Advances on contracts	1,371,548	1,325,301
Total current assets	10,794,469	12,970,504
Furniture, fixtures and equipment, net	10,024	18,146
Intangibles, net	178,636	227,956
Right of use assets finance lease	8,998	17,645
Right of use assets operating lease	355,235	443,685
Other assets	24,150	24,150
Total assets	11,371,512	13,702,086
Current liabilities:
Accrued expenses and other payables	1,511,717	1,124,839
Accrued expenses, related party	137,189	167,549
Accrued liabilities noncontrolling interests	214,000	0
Current portion of finance lease liabilities	10,264	9,365
Current portion of operating lease liabilities	103,427	91,701
Total current liabilities	3,076,713	3,299,675
Non-current portion of finance lease liabilities	434	10,698
Non-current portion of operating lease liabilities	281,853	385,279
Total liabilities	3,359,000	3,695,652
Commitments (see Note P)
Stockholders’ equity
Common stock, par value $.001; authorized 100,000,000 shares; 75,881,840 shares issued and 75,848,507 shares outstanding as of December 31, 2023 shares; 69,306,497 shares issued and 69,273,164 shares outstanding as of December 31, 2022;	75,881	69,306
Additional paid in capital	132,187,656	127,478,325
Accumulated deficit	(123,339,509)	(116,410,405)
Treasury stock, at cost, 33,333 shares	(911,516)	(911,516)
Total Milestone Scientific, Inc. stockholders' equity	8,012,512	10,225,710
Noncontrolling interest	0	(219,276)
Total stockholders’ equity	8,012,512	10,006,434
Total liabilities and stockholders’ equity	11,371,512	13,702,086
Nonrelated Party [Member]
Current liabilities:
Accounts payable	689,604	1,102,729
Related Party [Member]
Current liabilities:
Accounts payable	$ 410,512	$ 803,492