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Accounts Receivable (Tables)
 9 Months Ended
Sep. 30, 2016
Accounts Receivable [Abstract]  
Accounts receivable, net
The Company’s net accounts receivable consist of:

  
(in thousands)
 
  
September 30,
2016
  
December 31,
2015
 
Government segment:
      
Billed
 
$
12,958
  
$
9,400
 
Advanced billings
  
(1,105
)
  
(1,266
)
   
11,853
   
8,134
 
Hospitality segment:
        
Accounts receivable - net
  
20,995
   
21,396
 
  
$
32,848
  
$
29,530