Note 9 - Patents |
6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2018 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes to Financial Statements | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Goodwill and Intangible Assets Disclosure [Text Block] | NOTE 9 — PATENTSPatents at June 30, 2018 and December 31, 2017 are comprised of the following:
Patents are amortized utilizing the straight-line method over estimated useful lives ranging from 3 to 20 years.Amortization expense was $231,990 and $17,682 for the three months ended June 30, 2018 and 2017, respectively. Amortization expense was $469,356 and $35,364 for the six months ended June 30, 2018 and 2017, respectively. The annual amortization expense expected to be recorded for existing intangibles assets for the next five years from the balance sheet date of June 30, 2018 are approximately: $920,000, $919,000, $39,000, $39,000 and $29,000, respectively. |