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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

Inventories at December 31, 2018 and 2017, consisted of the following (in thousands):

 

 

 

December 31,

 

 

 

2018

 

 

2017

 

Work-in-process

 

$

3,075

 

 

$

4,299

 

Finished goods

 

 

10,464

 

 

 

10,158

 

Total inventories

 

$

13,539

 

 

$

14,457