Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 16,610,217	$ 1,516,272
Accounts receivable, net	107,286	1,710,665
Prepaid expenses and other current assets	468,919	519,063
Inventories, net	1,852,453	1,620,509
Advances on contracts	842,180	710,662
Total current assets	19,881,055	6,077,171
Furniture, fixtures and equipment, net	30,925	44,976
Patents, net	355,755	382,260
Right of use assets	632,536	15,977
Other assets	24,150	35,905
Total assets	20,963,688	6,556,289
Current liabilities:
Accounts payable	461,527	1,379,425
Accounts payable, related party	519,393	1,358,752
Accrued expenses and other payables	1,048,006	775,055
Accrued expenses, related party	653,796	1,057,957
Current portion of finance leases	6,108	3,904
Current operating lease right-of-use liabilities	66,682	15,977
Note payable	272,099
Deferred profit, related party	340,476	340,476
Total current liabilities	3,368,087	4,927,642
Finance lease liabilities, non-current	32,596
Operating lease right-of-use liabilities	594,416
Total liabilities	3,995,099	4,927,642
Commitments and contingencies
Stockholders’ equity
Common stock, par value $.001; authorized 75,000,000 shares; 63,236,164 shares issued and 63,202,831 shares outstanding as of June 30, 2020; 49,410,176 shares issued and 49,376,843 shares outstanding as of December 31, 2019;	63,236	49,410
Additional paid in capital	116,199,595	96,082,324
Accumulated deficit	(98,315,363)	(93,524,297)
Treasury stock, at cost, 33,333 shares	(911,516)	(911,516)
Total Milestone Scientific Inc. stockholders' equity	17,035,952	1,695,921
Noncontrolling interest	(67,363)	(67,274)
Total stockholders’ equity	16,968,589	1,628,647
Total liabilities and stockholders’ equity	$ 20,963,688	$ 6,556,289