Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30, 2018:

Other Intangible Assets	Gross		Accumulated Amortization		Net		Assumed Useful Life
Gentex Patents	$	36,040,373	$	(19,806,969)	$	16,233,404	various
Other Intangible Assets
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—	$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(71,250,000)		108,750,000		12 years
Existing Customer Platforms	43,000,000		(20,425,000)		22,575,000		10 years
Exclusive Licensing Agreement	96,000,000		—		96,000,000		Indefinite
Total Other Intangible Assets	$	371,000,000	$	(91,675,000)	$	279,325,000
Total Patents & Other Intangible Assets	$	407,040,373	$	(111,481,969)	$	295,558,404

As of December 31, 2017:

Other Intangible Assets	Gross		Accumulated Amortization		Net		Assumed Useful Life
Gentex Patents	$	34,847,029	$	(18,943,554)	$	15,903,475	various
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—	$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(63,750,000)		116,250,000		12 years
Existing Customer Platforms	43,000,000		(18,275,000)		24,725,000		10 years
Exclusive Licensing Agreement	96,000,000		—		96,000,000		Indefinite
Total other identifiable intangible assets	$	371,000,000	$	(82,025,000)	$	288,975,000
Total Patents & Other Intangible Assets	$	405,847,029	$	(100,968,554)	$	304,878,475