ACCOUNTS RECEIVABLE
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
ACCOUNTS RECEIVABLE

NOTE E – ACCOUNTS RECEIVABLE

 

Accounts receivable and related allowance for doubtful accounts consisted of the following (in thousands):

 

  As of December 31, 
  2016  2015 
Accounts receivable $9,748  $9,218 
Unbilled accounts receivable  455   637 
Allowance for doubtful accounts  (767)  (618)
  $9,436  $9,237