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ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2012
Accounts Receivable, Net [Abstract]  
Schedule of accounts receivable
 
             
December 31,
 
2012
   
2011
 
(in thousands)
           
Trade receivables
  $ 1,607     $ 2,093  
Other
    209       143  
Total
    1,816       2,236  
Less: allowance for doubtful accounts
    (22 )     (27 )
Net accounts receivable
  $ 1,794     $ 2,209