XML 33 R23.htm IDEA: XBRL DOCUMENT v3.21.2
Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The carrying value of Goodwill as of both September 30, 2021 and December 31, 2020 was $314.8 million and $311.9 million, respectively, as set forth in the table below:
Carrying Amount
Balance as of December 31, 2020$311,922,787 
Acquisitions2,848,364 
Divestitures— 
Impairments— 
Other (Net Measurement Period Adjustments)34,503 
Balance as of September 30, 2021$314,805,654 
Schedule of Intangible Assets The patents and intangible assets and related change in carrying values are set forth in the tables below:
As of September 30, 2021:
Other Intangible AssetsGrossAccumulated AmortizationNetAssumed Useful Life
Gentex Patents$39,124,090 $(25,858,926)$13,265,164 Various
Vaporsens Technology Licenses346,654 (62,740)283,914 Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks
$52,000,000 $— $52,000,000 Indefinite
HomeLink® Technology
180,000,000 (120,000,000)60,000,000 12 years
Existing Customer Platforms43,000,000 (34,400,000)8,600,000 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&D800,000 — 800,000 Indefinite
Guardian In-Process R&D8,485,407 — 8,485,407 Indefinite
Total Other Intangible Assets$397,563,539 $(154,400,000)$243,163,539 
Total Patents & Other Intangible Assets$437,034,283 $(180,321,666)$256,712,617 

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 Licenses300,985 (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 Platforms43,000,000 (31,175,000)11,825,000 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&D1,394,995 — 1,394,995 Indefinite
Total Other Intangible Assets$389,673,127 $(139,925,000)$249,748,127 
Total Patents & Other Intangible Assets$428,599,404 $(164,492,709)$264,106,695