Note 11 - Concentrations	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	NOTE 11 -- CONCENTRATIONS Milestone Scientific has informal arrangements with third-party U.S. manufacturers of the STA, CompuDent and CompuMed devices, pursuant to which they manufacture these products under specific purchase orders but without any long-term contract or minimum purchase commitment. Consequently, advances on contracts have been classified as current at June 30, 2022, and 2021. The termination of the manufacturing relationship with any of these manufacturers could have a material adverse effect on Milestone Scientific’s ability to produce and sell its products. Although alternate sources of supply exist, and new manufacturing relationships could be established, Milestone Scientific would need to recover its existing tools or have new tools produced. Establishment of new manufacturing relationships could involve significant expense and delay. Any curtailment or interruption of the supply, because of termination of such a relationship, would have a material adverse effect on Milestone Scientific’s financial condition, business, and results of operations. For the three months ended June 30, 2022, an aggregate of approximately 49% of the Company’s net product sales were from one distributors. For the six months ended June 30, 2022 , an aggregate of approximately 11%, and 38% of the Company’s net product sales were from two distributors. For the three months ended June 30, 2021, an aggregate of approximately 38% of the Company’s net product sales were from one distributors. For the six months ended June 30, 2021, an aggregate of approximately 33% of the Company’s net product sales were from one domestic distributor. Additionally, for the three and six months ended June 30, 2021, approximately 19% and 21% of the Company’s net product sales are to Milestone China, respectively. For the six months ended June 30, 2022 , we had the four distributors that accounted for 13%, 14%, 25% and 31% amount of accounts receivable, respectively. As of December 31, 2021 we had three distributors that accounted for 13%, 28%, and 29% amount of accounts receivable, respectively.

Note 11 - Concentrations

6 Months Ended

Jun. 30, 2022

Concentration Risk Disclosure [Text Block]

NOTE 11 -- CONCENTRATIONS

Milestone Scientific has informal arrangements with third-party U.S. manufacturers of the STA, CompuDent and CompuMed devices, pursuant to which they manufacture these products under specific purchase orders but without any long-term contract or minimum purchase commitment. Consequently, advances on contracts have been classified as current at June 30, 2022, and 2021. The termination of the manufacturing relationship with any of these manufacturers could have a material adverse effect on Milestone Scientific’s ability to produce and sell its products. Although alternate sources of supply exist, and new manufacturing relationships could be established, Milestone Scientific would need to recover its existing tools or have new tools produced. Establishment of new manufacturing relationships could involve significant expense and delay. Any curtailment or interruption of the supply, because of termination of such a relationship, would have a material adverse effect on Milestone Scientific’s financial condition, business, and results of operations.

For the three months ended June 30, 2022, an aggregate of approximately 49% of the Company’s net product sales were from one distributors. For the six months ended June 30, 2022 , an aggregate of approximately 11%, and 38% of the Company’s net product sales were from two distributors. For the three months ended June 30, 2021, an aggregate of approximately 38% of the Company’s net product sales were from one distributors. For the six months ended June 30, 2021, an aggregate of approximately 33% of the Company’s net product sales were from one domestic distributor. Additionally, for the three and six months ended June 30, 2021, approximately 19% and 21% of the Company’s net product sales are to Milestone China, respectively.

For the six months ended June 30, 2022 , we had the four distributors that accounted for 13%, 14%, 25% and 31% amount of accounts receivable, respectively. As of December 31, 2021 we had three distributors that accounted for 13%, 28%, and 29% amount of accounts receivable, respectively.