Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

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, 2019:

Other Intangible Assets	Gross		Accumulated Amortization		Net		Assumed Useful Life
Gentex Patents	$	37,160,431	$	(22,094,953)	$	15,065,478	Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—	$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(90,000,000)		90,000,000		12 years
Existing Customer Platforms	43,000,000		(25,800,000)		17,200,000		10 years
Exclusive Licensing Agreement	96,000,000		—		96,000,000		Indefinite
Total Other Intangible Assets	$	371,000,000	$	(115,800,000)	$	255,200,000
Total Patents & Other Intangible Assets	$	408,160,431	$	(137,894,953)	$	270,265,478

As of December 31, 2018:

Other Intangible Assets	Gross		Accumulated Amortization		Net		Assumed Useful Life
Gentex Patents	$	36,737,434	$	(21,014,168)	$	15,723,266	Various
Other Intangible Assets
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—	$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(78,750,000)		101,250,000		12 years
Existing Customer Platforms	43,000,000		(22,575,000)		20,425,000		10 years
Exclusive Licensing Agreement	96,000,000		—		96,000,000		Indefinite
Total Other Intangible Assets	$	371,000,000	$	(101,325,000)	$	269,675,000
Total Patents & Other Intangible Assets	$	407,737,434	$	(122,339,168)	$	285,398,266