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Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

4.

Inventories

The following table presents inventories (in thousands):

 

 

 

March 31, 2018

 

 

December 31, 2017

 

Work-in-process

 

$

-

 

 

$

312

 

Finished goods

 

 

550

 

 

 

-

 

Total

 

$

550

 

 

$

312