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Inventories
12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Inventories

(4)

Inventories

Inventories consist of:

 

(in thousands)

 

December 31, 2017

 

 

December 31, 2016

 

Raw materials

 

$

298

 

 

$

346

 

Work-in-process

 

 

721

 

 

 

214

 

Finished goods

 

 

229

 

 

 

100

 

Total Inventory

 

$

1,248

 

 

$

660