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Balance Sheet Components (Tables)
9 Months Ended
Sep. 30, 2019
Balance Sheet Components [Abstract]  
Components of Inventory



 

 

 

 

 



 

 

 

 

 



September 30,

 

December 31,

(in thousands)

2019

 

2018

Purchased materials

$

5,193 

 

$

6,222 

Work in process

 

3,874 

 

 

7,341 

Finished goods

 

6,000 

 

 

4,315 

Inventory

$

15,067 

 

$

17,878