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Goodwill and Other Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The carrying value of Goodwill as of June 30, 2020 and December 31, 2019 was $309.0 million and $307.4 million, respectively.
Carrying Amount
Balance as of December 31, 2019$307,365,845  
Acquisitions1,667,177  
Divestitures—  
Impairments—  
Other —  
Balance as of June 30, 2020$309,033,022  
Schedule of Intangible Assets
The patents and intangible assets and related change in carrying values are set forth in the tables below:

As of June 30, 2020:
Other Intangible AssetsGrossAccumulated AmortizationNetAssumed Useful Life
Gentex Patents$37,859,912  $(23,591,325) $14,268,587  Various
Vaporsens Technology License279,113  (31,357) 247,756  Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks
$52,000,000  $—  $52,000,000  Indefinite
HomeLink® Technology
180,000,000  (101,250,000) 78,750,000  12 years
Existing Customer Platforms43,000,000  (29,025,000) 13,975,000  10 years
Exclusive Licensing Agreement96,000,000  —  96,000,000  Indefinite
Vaporsens In-Process R&D11,000,000  —  11,000,000  Indefinite
Total Other Intangible Assets$382,000,000  $(130,275,000) $251,725,000  
Total Patents & Other Intangible Assets$420,139,025  $(153,897,682) $266,241,343  

As of December 31, 2019:

Other Intangible Assets
Gross
Accumulated Amortization
Net
Assumed Useful Life
Gentex Patents
$37,328,963  $(22,491,010) $14,837,953  Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks
$52,000,000  $—  $52,000,000  Indefinite
HomeLink® Technology
180,000,000  (93,750,000) 86,250,000  12 years
Existing Customer Platforms43,000,000  (26,875,000) 16,125,000  10 years
Exclusive Licensing Agreement
96,000,000  —  96,000,000  Indefinite
Total Other Intangible Assets$371,000,000  $(120,625,000) $250,375,000  
Total Patents & Other Intangible Assets$408,328,963  $(143,116,010) $265,212,953