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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The carrying value of Goodwill as of March 31, 2021 and December 31, 2020 was $314.7 million and $311.9 million, respectively.
| Carrying Amount
Balance as of December 31, 2020 | $ | 311,922,787 |
Acquisitions | 2,758,721 |
Divestitures | — |
Impairments | — |
Other | — |
Balance as of March 31, 2021 | $ | 314,681,508 |
Schedule of Intangible Assets | The patents and intangible assets and related change in carrying values are set forth in the tables below: As of March 31, 2021:
Other Intangible Assets | Gross | Accumulated Amortization | Net | Assumed Useful Life
Gentex Patents | $ | 38,906,267 |  | $ | (25,116,962) |  | $ | 13,789,305 |  | Various
Vaporsens Technology Licenses | $ | 315,425 |  | $ | (54,062) |  | $ | 261,363 |  | Various
Other Intangible Assets |  |  |  |
HomeLink® Trade Names and Trademarks | $ | 52,000,000 |  | $ | — |  | $ | 52,000,000 |  | Indefinite
HomeLink® Technology | 180,000,000 |  | (112,500,000) |  | 67,500,000 |  | 12 years
Existing Customer Platforms | 43,000,000 |  | (32,250,000) |  | 10,750,000 |  | 10 years
Exclusive Licensing Agreement | 96,000,000 |  | — |  | 96,000,000 |  | Indefinite
Vaporsens In-Process R&D | 11,000,000 |  | — |  | 11,000,000 |  | Indefinite
Argil In- Process R&D | 6,278,132 |  | — |  | 6,278,132 |  | Indefinite
Air-Craftglass In-Process R&D | 1,389,237 |  | — |  | 1,389,237 |  | Indefinite
Guardian In-Process R&D | 11,994,440 |  | — |  | 11,994,440 |  | Indefinite
Total Other Intangible Assets | $ | 401,661,809 |  | $ | (144,750,000) |  | $ | 256,911,809 |  |
Total Patents & Other Intangible Assets | $ | 440,883,501 |  | $ | (169,921,024) |  | $ | 270,962,477 |  |
As of December 31, 2020:
Other Intangible Assets | Gross | Accumulated Amortization | Net | Assumed Useful Life
Gentex Patents | $ | 38,625,292 |  | $ | (24,528,853) |  | $ | 14,096,439 |  | Various
Vaporsens Technology Licenses | $ | 300,985 |  | $ | (38,856) |  | $ | 262,129 |  | Various
Other Intangible Assets |  |  |  |
HomeLink® Trade Names and Trademarks | $ | 52,000,000 |  | $ | — |  | $ | 52,000,000 |  | Indefinite
HomeLink® Technology | 180,000,000 |  | (108,750,000) |  | 71,250,000 |  | 12 years
Existing Customer Platforms | 43,000,000 |  | (31,175,000) |  | 11,825,000 |  | 10 years
Exclusive Licensing Agreement | 96,000,000 |  | — |  | 96,000,000 |  | Indefinite
Vaporsens In-Process R&D | 11,000,000 |  | $ | — |  | 11,000,000 |  | Indefinite
Argil In-Process R&D | 6,278,132 |  | $ | — |  | 6,278,132 |  | Indefinite
Air-Craftglass In-Process R&D | 1,394,995 |  | $ | — |  | 1,394,995 |  | Indefinite
Total Other Intangible Assets | $ | 389,673,127 |  | $ | (139,925,000) |  | $ | 249,748,127 |  |
Total Patents & Other Intangible Assets | $ | 428,298,419 |  | $ | (164,453,853) |  | $ | 263,844,566 |  |

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