v3.10.0.1
Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets
Intangible assets consist of the following (in thousands):
 
Useful Life
in Years
 
June 30, 2018
 
December 31, 2017
Trade name
15 - 20
 
$
1,208

 
$
1,208

Patents and know-how
5 - 12
 
4,113

 
4,113

Customer relationships
4 - 8
 
730

 
750

 
 
 
6,051

 
6,071

Less accumulated amortization
 
 
(5,081
)
 
(5,020
)
 
 
 
$
970

 
$
1,051

Schedule of estimated amortization expense
Estimated amortization expense for each of the next five years is as follows (in thousands):
Years ending December 31:
 

Remainder of 2018
$
81

2019
162

2020
162

2021
162

2022
142

Thereafter
261

 
$
970