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Goodwill and Other Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The carrying value of Goodwill as of both March 31, 2022 and December 31, 2021 was $313.9 million and $314.0 million, respectively, as set forth in the table below:
Carrying Amount
Balance as of December 31, 2021$313,960,209 
Acquisitions— 
Divestitures— 
Impairments— 
Other(31,295)
Balance as of March 31, 2022$313,928,914 
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, 2022:
Other Intangible AssetsGrossAccumulated AmortizationNetAssumed Useful Life
Gentex Patents$39,290,691 $(26,730,389)$12,560,302 Various
Vaporsens Technology Licenses351,290 (67,367)283,923 Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks
$52,000,000 $— $52,000,000 Indefinite
HomeLink® Technology
180,000,000 (127,500,000)52,500,000 12 years
Existing Customer Platforms43,000,000 (36,550,000)6,450,000 10 years
Exclusive Licensing Agreement96,000,000 — 96,000,000 Indefinite
Vaporsens In-Process R&D11,000,000 — 11,000,000 Indefinite
Argil In-Process R&D6,278,132 — 6,278,132 Indefinite
Air-Craftglass In-Process R&D1,507,778 — 1,507,778 Indefinite
Guardian Trade Names1,302,844 — 1,302,844 Indefinite
Guardian In-Process R&D7,191,049 — 7,191,049 Indefinite
Total Other Intangible Assets$398,279,803 $(164,050,000)$234,229,803 
Total Patents & Other Intangible Assets$437,921,784 $(190,847,756)$247,074,028 

As of December 31, 2021:
Other Intangible Assets
Gross
Accumulated Amortization
Net
Assumed Useful Life
Gentex Patents
$39,362,187 $(26,506,155)$12,856,032 Various
Vaporsens Technology Licenses351,290 (50,107)301,183 Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks
$52,000,000 $— $52,000,000 Indefinite
HomeLink® Technology
180,000,000 (123,750,000)56,250,000 12 years
Existing Customer Platforms43,000,000 (35,475,000)7,525,000 10 years
Exclusive Licensing Agreement
96,000,000 — 96,000,000 Indefinite
    Vaporsens In-Process R&D11,000,000 — 11,000,000 Indefinite
    Argil In-Process R&D6,278,132 — 6,278,132 Indefinite
    Air-Craftglass In-Process R&D1,507,778 — 1,507,778 Indefinite
    Guardian Trade Names1,384,857 — 1,384,857 Indefinite
    Guardian In-Process R&D7,243,860 — 7,243,860 Indefinite
Total Other Intangible Assets$398,414,627 $(159,225,000)$239,189,627 
Total Patents & Other Intangible Assets$438,128,104 $(185,781,262)$252,346,842