Patents (Tables) |
9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2020 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Patents Less Accumulated Amortization |
In December 2017, we acquired from Rio Grande Neurosciences, Inc. (RGN) a patent portfolio for $4,500,000. The earliest patents expire in 2024. The following is a summary of patents less accumulated amortization at September 30, 2020 and December 31, 2019:
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| Schedule of Estimated Future Amortization Expense |
Amortization expense associated with patents was $485,184 and $485,183 for the nine months ended September 30, 2020 and 2019, respectively. The estimated future amortization expense related to patents as of September 30, 2020 is as follows:
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