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Note H - Patents | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | NOTE H — PATENTS
| December 31, 2019 |
| Cost |  |  | Impairment |  |  | Accumulated Amortization |  |  | Net |
Patents-foundation intellectual property | $ | 1,377,863 |  |  | $ | - |  |  | $ | (995,603 | ) |  | $ | 382,260 |
Total | $ | 1,377,863 |  |  | $ | - |  |  | $ | (995,603 | ) |  | $ | 382,260 |
| December 31, 2018 |
| Cost |  |  | Impairment |  |  | Accumulated Amortization |  |  | Net |
Patents-foundation intellectual property | $ | 1,377,863 |  |  | $ | - |  |  | $ | (942,590 | ) |  | $ | 435,273 |
Epidural-Apad acquired patents |  | 2,639,647 |  |  |  | (1,539,794 | ) |  |  | (1,099,853 | ) |  |  | - |
Total | $ | 4,017,510 |  |  | $ | (1,539,794 | ) |  | $ | (2,042,443 | ) |  | $ | 435,273 |
Patents are amortized utilizing the straight-line method over estimated useful lives ranging from 3 to 20 years. Amortization expense was $53,013 and $814,681 for the year ended December 31, 2019 and 2018, respectively. The annual amortization expense expected to be recorded for existing intangibles assets for the years 2020 through 2024 is approximately $53,000, $53,000, $53,000, $47,000 and $33,000. On July 13, 2017, Milestone Scientific consummated an Asset Purchase Agreement (the “Agreement”) with APAD Octrooi B.V. and APAD B.V. (each, a “Seller” and collectively, the “Sellers”) pursuant to which Milestone Scientific acquired certain patent rights and other intellectual property rights related to the Sellers’ computer-controlled injection instrument (the “Purchased Assets”) accounted for as an asset acquisition. The patents purchased in the amount of approximately $2,639,000 were capitalized and were expected to be amortized over their three -year estimated useful life. During 2018, the Company determined that the APAD Patents will not be further developed or commercialized before their estimated useful life expires. As such, Management determined that these assets were impaired and a charge of approximately $1.5 million was recorded.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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