Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

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, 2017:

Other Intangible Assets	Gross		Accumulated Amortization			Net		Assumed Useful Life
Gentex Patents	$	34,367,408	$	(18,185,165	)	$	16,182,243	various
Other Intangible Assets
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—		$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(60,000,000		)	120,000,000		12 years
Existing Customer Platforms	43,000,000		(17,200,000		)	25,800,000		10 years
Exclusive Licensing Agreement	96,000,000		—			96,000,000		Indefinite
Total Other Intangible Assets	$	371,000,000	$	(77,200,000	)	$	293,800,000
Total Patents & Other Intangible Assets	$	405,367,408	$	(95,385,165	)	$	309,982,243

As of December 31, 2016:

Other Intangible Assets	Gross		Accumulated Amortization			Net		Assumed Useful Life
Gentex Patents	$	33,002,468	$	(16,481,728	)	$	16,520,740	various
HomeLink® Trade Names and Trademarks	$	52,000,000	$	—		$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(48,750,000		)	$	131,250,000	12 years
Existing Customer Platforms	43,000,000		(13,975,000		)	$	29,025,000	10 years
Exclusive Licensing Agreement	96,000,000		—			$	96,000,000	Indefinite
Total other identifiable intangible assets	$	371,000,000	$	(62,725,000	)	$	308,275,000
Total Patents & Other Intangible Assets	$	404,002,468	$	(79,206,728	)	$	324,795,740