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Goodwill and Other Intangible Assets
3 Months Ended
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
Goodwill and Other Intangible Assets

Goodwill represents the cost of an acquisition in excess of the fair values assigned to identifiable net assets acquired. The Company recorded Goodwill of $307.4 million as part of the HomeLink® acquisition. The carrying value of Goodwill as of December 31, 2016 and March 31, 2017 was $307.4 million.

In addition to annual impairment testing, which is performed as of the first day of the fourth quarter, the Company continuously monitors for events and circumstances that could negatively impact the key assumptions in determining fair value thus resulting in the need for interim impairment testing, including long-term revenue growth projections, profitability, discount rates, recent market valuations from transactions by comparable companies, volatility in the Company's market capitalization, and general industry, market and macroeconomic conditions. No such events or circumstances in the most recently completed quarter indicated the need for interim impairment testing.

The patents and intangible assets and related change in carrying values are set forth in the tables below:

As of March 31, 2017:

Other Intangible Assets
Gross
Accumulated Amortization
Net
Assumed Useful Life
Gentex Patents
$
33,620,379

$
(17,147,912
)
$
16,472,467

various
 
 
 
 
 
Other Intangible Assets
 
 
 
 
HomeLink® Trade Names and Trademarks
$
52,000,000

$

$
52,000,000

Indefinite
HomeLink® Technology
180,000,000

(52,500,000
)
127,500,000

12 years
Existing Customer Platforms
43,000,000

(15,050,000
)
27,950,000

10 years
Exclusive Licensing Agreement
96,000,000


96,000,000

Indefinite
Total Other Intangible Assets
$
371,000,000

$
(67,550,000
)
$
303,450,000

 
 
 
 
 
 
Total Patents & Other Intangible Assets
$
404,620,379

$
(84,697,912
)
$
319,922,467

 


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

 


Amortization expense on patents and intangible assets was approximately $5.6 million during the three month period ended March 31, 2017, compared to approximately $5.6 million for the same period ended March 31, 2016.

Excluding the impact of any future acquisitions, the Company continues to estimate amortization expense for each of the years ended December 31, 2017, 2018, 2019, 2020 and 2021 to be approximately $22 million annually.