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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Intangible Assets |
Schedule of intangible assets |
|  | December 31, |  | December 31, |
|  | 2017 |  | 2016 |
License agreements |  | $ | 1,007,566 |  | $ | 984,342 |
Patents |  |  | 459,903 |  |  | 308,212 |
Less: accumulated amortization |  |  | (530,477) |  |  | (463,575) |
Intangible assets, net |  | $ | 936,992 |  | $ | 828,979 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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