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OTHER ASSETS (Tables)
12 Months Ended
Dec. 31, 2017
OTHER ASSETS [Abstract]  
Schedule of Other Assets
Other assets consist of the following:

  
(in thousands)
 
  
December 31, 2017
  
December 31, 2016
 
       
Deferred commission expense - noncurrent
 
$
1,867
  
$
2,967
 
Trade receivables - noncurrent
  
968
   
1,064
 
Other, net of allowance for loss on loan receivable of $412 at December 31, 2017 and 2016
  
1,012
   
970
 
  
$
3,847
  
$
5,001