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Restricted Cash
 12 Months Ended
Dec. 31, 2019
Text Block [Abstract]  
Restricted Cash
8.
RESTRICTED CASH
Restricted cash is cash and cash equivalent amounts whose withdrawal or use under the terms of certain contractual agreements is restricted.
 
    Note       December 31,
2019		   
December 31, 
2018 
 
 Letters of credit
    $1,406   $633  
 Credit facility financial covenant compliance
     -    7,500  
 Brazil income tax insurance bond collateral
   28                        13,879    7,463  
 Total restricted cash
     15,285                    15,596  
 Less: Current portion of restricted cash
        (607)    (633) 
 Non-current
portion of restricted cash
       $14,678   $14,963