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Intangible Assets
6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
 Intangible Assets

Our intangible assets consist of the following:

 
 
June 30,
2018
 
December 31, 2017
 
 
(in thousands)
Intellectual property
 
$
700

 
$

Less: Accumulated amortization
 
(78
)
 

       Total, net
 
$
622

 
$



Amortization expense recorded in cost of sales is as follows:

  
Three months ended
 
Six months ended
 
June 30,
2018
 
June 30,
2017
 
June 30,
2018
 
June 30,
2017
 
(in thousands)
Amortization Expense
$
78

 
$

 
$
78

 
$