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Schedule II - Valuation and Qualifying Accounts (Schedule II: Valuation and Qualifying Accounts)(Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Schedule II - Valuation and Qualifying Accounts [Abstract]    
Balance at Beginning of Period $ 140 $ 109
Charged (Credited) to Costs and Expenses 81 31
Deductions (5) 0
Balance at End of Period $ 216 $ 140