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Accounts Receivable (Tables)
 9 Months Ended
Sep. 30, 2012
Accounts Receivable [Abstract]  
Accounts receivable
(in thousands)
 
September 30,
 
December 31,
 
 
2012
 
2011
 
Government segment:
 
 
Billed
 
$
8,373
  
$
12,903
 
Advanced billings
  
(1,493
)
  
(1,552
)
 
  
6,880
   
11,351
 
Hospitality segment:
        
Accounts receivable - net
  
19,443
   
19,329
 
  
 
$
26,323
  
$
30,680