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Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, net | $ 201,604,035 | $ 214,005,910 | [1]
Trademarks and Trade Names | HomeLink® |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | 52,000,000 | 52,000,000 |
Trademarks and Trade Names | Guardian |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | 1,300,000 |
Exclusive Licensing Agreement |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | 96,000,000 | 96,000,000 |
In Process Research and Development | Vaporsens |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | 11,000,000 | 11,000,000 |
In Process Research and Development | Argil |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | 6,278,132 | 6,278,132 |
In Process Research and Development | Air-CraftGlass |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | 1,507,778 | 1,507,778 |
In Process Research and Development | Guardian |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | 6,800,000 |
Gentex Patents |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | 39,198,259 | 39,199,107 |
Accumulated Amortization | (27,882,575) | (27,769,803) |
Net | 11,315,684 | 11,429,304 |
Total Other Intangible Assets |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Accumulated Amortization | (209,151,875) | (196,750,000) |
Intangible assets, gross | 410,755,910 | 410,755,910 |
Intangible assets, net | 201,604,035 | 214,005,910 |
Technology | HomeLink® |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | 180,000,000 | 180,000,000 |
Accumulated Amortization | (165,000,000) | (153,750,000) |
Net | $ 15,000,000 | $ 26,250,000 |
Assumed Useful Life | 12 years | 12 years |
Technology | eSight |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | $ 12,000,000 | $ 12,000,000 |
Accumulated Amortization | (916,667) |  |
Net | $ 11,083,333 | $ 12,000,000 |
Assumed Useful Life | 12 years | 12 years |
Technology | Guardian |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | $ 6,800,000 |  |
Accumulated Amortization | (141,667) |  |
Net | $ 6,658,333 |  |
Assumed Useful Life | 12 years |  |
Existing Customer Platforms |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | $ 43,000,000 | $ 43,000,000 |
Accumulated Amortization | (43,000,000) | (43,000,000) |
Net | $ 0 | $ 0 |
Assumed Useful Life | 10 years | 10 years |
Trademarks and Trade Names | eSight |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | $ 870,000 | $ 870,000 |
Accumulated Amortization | (66,458) |  |
Net | $ 803,542 | $ 870,000 |
Assumed Useful Life | 12 years | 12 years |
Trademarks and Trade Names | Guardian |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross | $ 1,300,000 |  |
Accumulated Amortization | (27,083) |  |
Net | $ 1,272,917 |  |
Assumed Useful Life | 12 years |  |
Total Patents & Other Intangible Assets |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total Patents & Other Intangible Assets, Gross | $ 449,954,169 | $ 449,955,017 |
Total Patents & Other Intangible Assets, Accumulated Amortization | (237,034,450) | (224,519,803) |
Total Patents & Other Intangible Assets, Net | $ 212,919,719 | $ 225,435,214 |
[1] | The condensed consolidated balance sheet at December 31, 2023 has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

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