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ACCOUNTS AND UNBILLED RECEIVABLES (Tables)
 12 Months Ended
Dec. 31, 2017
ACCOUNTS AND UNBILLED RECEIVABLES  
Schedule of accounts and unbilled receivables, net of valuation allowance

 

 

 

 

 

 

 

 

 

 

December 31,

 

 

    

2017

    

2016

 

Accounts receivable

 

$

53,405

 

$

51,264

 

Unbilled receivables

 

 

17,271

 

 

13,306

 

Receivables from related parties

 

 

148

 

 

92

 

 

 

$

70,824

 

$

64,662