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Balance Sheet Components
9 Months Ended
Sep. 30, 2018
Balance Sheet Components [Abstract]  
Balance Sheet Components

NOTE 4. BALANCE SHEET COMPONENTS



Inventory



As of September 30, 2018 and December 31, 2017, our inventory consisted of the following components:







 

 

 

 

 



 

 

 

 

 



September 30,

 

December 31,

(in thousands)

2018

 

2017

Purchased materials

$

7,557 

 

$

8,884 

Work in process

 

7,367 

 

 

9,994 

Finished goods

 

4,770 

 

 

4,187 

Inventory

$

19,694 

 

$

23,065 



For the three months ended September 30, 2018 we recognized approximately $2.4 million of product transition costs including inventory reserve taken on older consumables as new products were introduced in 2018.