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Inventories (Tables)
 12 Months Ended
Dec. 31, 2018
Inventories [Abstract]  
Disclosure Of Detailed Information About Inventories
 
 
December 31, 2018

 
December 31, 2017

Raw materials and consumables
 
$
15,547

 
$
8,663

Work-in-progress
 
10,034

 
4,694

Finished goods
 
1,460

 
2,440

Service inventory
 
2,270

 
1,495

 
 
$
29,311

 
$
17,292