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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2013
Schedule II - Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts [Text Block]
 
Allowance for Doubtful Accounts

Year ended December 31,
 
Beginning Balance
  
Additions
Charged to General and administrative expenses
  
Deductions
Accounts Written Off During Period
  
Ending Balance
 
(in thousands)
 
  
  
  
 
2013
 
$
-
  
$
7
  
$
-
  
$
7