Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 865,654	$ 2,636,956
Accounts receivable, net	1,840,145	1,535,513
Accounts receivable, from related party	2,817,990	1,725,450
Note receivable from financing transaction, current		500,000
Prepaid expenses and other current assets	484,753	436,410
Deferred cost, related party	1,796,036	1,109,671
Inventories, net	2,310,330	3,379,209
Advances on contracts	861,782	697,192
Total current assets	10,976,690	12,020,401
Furniture, fixtures & equipment, net	105,529	141,760
Patents, net	2,320,392	2,789,748
Note receivable from financing transaction, noncurrent		650,000
Other assets	26,878	26,878
Total assets	13,429,489	15,628,787
Current Liabilities:
Accounts payable	1,365,491	853,859
Accounts payable, related party	1,352,802	1,109,442
Accrued expenses and other payables	1,937,571	2,287,908
Deferred profit, related party	636,126	751,500
Deferred revenue, related party	2,817,990	1,725,450
Total current liabilities	8,109,980	6,728,159
Deferred gain from financing transaction		1,400,000
Total liabilities	8,109,980	8,128,159
Commitments and Contingencies
Stockholders’ Equity
Series A convertible preferred stock, par value $.001, authorized 5,000,000 shares, and 7,000 shares issued and outstanding as of June 30, 2018 and December 31, 2017	7	7
Common stock, par value $.001; authorized 50,000,000 shares; 33,660,970 shares issued, 1,912,503 shares to be issued and 33,627,637 shares outstanding as of June 30, 2018; 33,191,571 shares issued, 1,401,247 shares to be issued and 33,158,238 shares outstanding as of December 31, 2017;	35,571	34,593
Additional Paid in Capital	87,832,358	86,689,084
Accumulated deficit	(81,784,998)	(78,568,284)
Treasury stock, at cost, 33,333 shares	(911,516)	(911,516)
Total Milestone Scientific Inc. stockholders' equity	5,171,422	7,243,884
Noncontrolling interest	148,087	256,744
Total stockholders’ equity	5,319,509	7,500,628
Total liabilities and stockholders’ equity	$ 13,429,489	$ 15,628,787