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Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets
 
Goodwill
 
The Company recognized an impairment charge of $4.7 million for the year ended December 31, 2016. As such, the Company has no goodwill at September 30, 2017 and December 31, 2016, respectively.
 
Intangible Assets
 
Intangible assets consist of the following (in thousands):
 
Useful Life
in Years
 
September 30, 2017
 
December 31, 2016
Trade name
15 - 20
 
$
1,209

 
$
1,204

Patents and know-how
5 - 12
 
4,113

 
4,090

Customer relationships
4 - 8
 
752

 
721

 
 
 
6,074

 
6,015

Less accumulated amortization
 
 
(4,916
)
 
(4,532
)
 
 
 
$
1,158

 
$
1,483


 
The Company recorded amortization expense related to amortizable intangible assets of $0.1 million and $0.1 million during the three months ended September 30, 2017 and 2016, respectively and $0.3 million and $0.3 million for the nine months ended September 30, 2017 and 2016, respectively.
 
Estimated amortization expense for each of the next five years is as follows (in thousands):
Years ending December 31:
 

Remainder of 2017
$
105

2018
161

2019
161

2020
161

2021
161

Thereafter
409

 
$
1,158