Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

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 table below:

As of September 30, 2015:

Other Intangible Assets	Gross		Accumulated Amortization			Net		Assumed Useful Life
Gentex Patents	$	30,720,542	$	(13,092,594	)	$	17,627,948	various
Other Intangible Assets
HomeLink®Trade Names and Trademarks	$	52,000,000	$	—		$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(30,000,000		)	150,000,000		12 years
Existing Customer Platforms	43,000,000		(8,600,000		)	34,400,000		10 years
Exclusive Licensing Agreement	96,000,000		—			96,000,000		Indefinite
Total Other Intangible Assets	$	371,000,000	$	(38,600,000	)	$	332,400,000
Total Patents & Other Intangible Assets	$	401,720,542	$	(51,692,594	)	$	350,027,948

As of December 31, 2014:

Other Intangible Assets	Gross		Accumulated Amortization			Net		Assumed Useful Life
Gentex Patents	$	30,132,116	$	(11,065,153	)	$	19,066,963	various
HomeLink®Trade Names and Trademarks	$	52,000,000	$	—		$	52,000,000	Indefinite
HomeLink® Technology	180,000,000		(18,750,000		)	$	161,250,000	12 years
Existing Customer Platforms	43,000,000		(5,375,000		)	$	37,625,000	10 years
Exclusive Licensing Agreement	96,000,000		—			$	96,000,000	Indefinite
Total other identifiable intangible assets	$	371,000,000	$	(24,125,000	)	$	346,875,000
Total Patents & Other Intangible Assets	$	401,132,116	$	(35,190,153	)	$	365,941,963