XML 47 R37.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, net $ 209,809,035 $ 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 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 6,800,000
Gentex Patents    
Finite-Lived Intangible Assets [Line Items]    
Gross 39,396,881 39,199,107
Accumulated Amortization (27,838,512) (27,769,803)
Net 11,558,369 11,429,304
Total Other Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Accumulated Amortization (200,946,875) (196,750,000)
Intangible assets, gross 410,755,910 410,755,910
Intangible assets, net 209,809,035 214,005,910
Technology | HomeLink®    
Finite-Lived Intangible Assets [Line Items]    
Gross 180,000,000 180,000,000
Accumulated Amortization (157,500,000) (153,750,000)
Net $ 22,500,000 $ 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 (416,667)  
Net $ 11,583,333 $ 12,000,000
Assumed Useful Life 12 years 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 (30,208)  
Net $ 839,792 $ 870,000
Assumed Useful Life 12 years 12 years
Total Patents & Other Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Total Patents & Other Intangible Assets, Gross $ 450,152,791 $ 449,955,017
Total Patents & Other Intangible Assets, Accumulated Amortization (228,785,387) (224,519,803)
Total Patents & Other Intangible Assets, Net $ 221,367,404 $ 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.