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Inventories
3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Inventories

7.

Inventories

Inventories are carried at the lower of cost or net realizable value, determined on the first-in, first-out (FIFO) method.

Inventories consisted of the following (in thousands):

 

 

 

March 31, 2017

 

 

December 31, 2016

 

Raw materials

 

$

1,318

 

 

$

885

 

Work in process

 

 

1,039

 

 

 

1,021

 

Finished goods

 

 

1,750

 

 

 

1,819

 

 

 

$

4,107

 

 

$

3,725