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Receivables (Tables)
 12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Receivables
Receivables consist of the following:
In thousands
December 31, 2018
 
December 31, 2017
Current receivables:
 
 
 
Trade receivables
$
5,147

 
$
5,883

Value added tax receivable
18,609

 
10,982

Manquiri Notes Receivable
5,487

 
—

Other
501

 
2,204

 
$
29,744

 
$
19,069

Non-current receivables:
 
 
 
Value added tax receivable1
$
26,817

 
$
28,750

RMC Receivable
4,334

 
—

 
31,151

 
28,750

Total receivables
$
60,895

 
$
47,819