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Inventories
12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Inventories

5. Inventories

Inventories consisted of the following:

 

 

 

December 31,

 

 

 

2016

 

 

2015

 

Raw material

 

$

229

 

 

$

3

 

Work in progress

 

 

12,758

 

 

 

11,096

 

Finished goods

 

 

451

 

 

 

1,021

 

Spare parts

 

 

61

 

 

 

22

 

Total inventory

 

 

13,499

 

 

 

12,142

 

Less: current portion

 

 

10,344

 

 

 

5,025

 

Total inventory, net of current portion

 

$

3,155

 

 

$

7,117