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ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
 12 Months Ended
Dec. 31, 2012
Accounts Receivable Additional Disclosures [Abstract]  
Schedule of accounts receivable
 
   
2012
    
2011
  
             
Billed receivables
   $ 22,292     $ 16,564  
Unbilled receivables
     1,060       510  
      23,352       17,074  
Less: Allowance for doubtful accounts
     (136 )     (97 )
    $ 23,216     $ 16,977  
Schedule of changes in the allowance for doubtful accounts
 
 
 
Description
  
Balance at Beginning
of Period
    
Charged to Expenses
    
Charged to
Other
Accounts
    
 
Deductions
    
Balance at
End of
Period
  
(in 000’s)
      
 
Allowance for doubtful accounts
                              
   Year ended December 31,
                              
              2012
   $ 97     $ 49     $ -     $ (10 )   $ 136  
              2011
   $ 242     $ 43     $ -     $ (188 )   $ 97