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Balance Sheet Components (Tables)
3 Months Ended
Mar. 31, 2019
Balance Sheet Components [Abstract]  
Components of Inventory



 

 

 

 

 



 

 

 

 

 



March 31,

 

December 31,

(in thousands)

2019

 

2018

Purchased materials

$

6,253 

 

$

6,222 

Work in process

 

9,104 

 

 

7,341 

Finished goods

 

4,293 

 

 

4,315 

Inventory

$

19,650 

 

$

17,878