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Accounts Receivable, net (Tables)
 12 Months Ended
Dec. 31, 2016
Accounts Receivable, net [Abstract]  
Accounts receivable, net
The Company’s net accounts receivable consists of, excluding discontinued operations:

  
December 31,
(in thousands)
 
  
2015
  
2015
 
Government segment:
      
Billed
 
$
6,779
  
$
9,400
 
Advanced billings
  
(1,599
)
  
(1,266
)
   
5,180
   
8,134
 
Hospitality segment:
        
Accounts receivable - net
  
25,525
   
21,396
 
  
$
30,705
  
$
29,530