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Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | Intangible assets are comprised of the following:
|  |  |  | September 30, 2019 |  |  | December 31, 2018 |
|  | Useful Life |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Acquired intangibles - customer lists, licenses and non-compete agreements |  | 3-10 years |  |  | 1,778,848 |  |  |  | 1,097,787 |  |  |  | 681,061 |  |  |  | 1,284,065 |  |  |  | 823,884 |  |  |  | 460,181 |
Acquired intangibles - patents and patent rights |  |  |  |  | 500,000 |  |  |  | 500,000 |  |  |  | - |  |  |  | 500,000 |  |  |  | 500,000 |  |  |  | - |
Patent application costs |  | Varied (1) |  |  | 1,175,971 |  |  |  | 808,529 |  |  |  | 367,442 |  |  |  | 1,168,155 |  |  |  | 746,925 |  |  |  | 421,230 |
|  |  |  | $ | 3,454,819 |  |  | $ | 2,406,316 |  |  | $ | 1,048,503 |  |  | $ | 2,952,220 |  |  | $ | 2,070,809 |  |  | $ | 881,411 |
(1) Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of September 30, 2019, the weighted average remaining useful life of these assets in service was approximately 7 years.

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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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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