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Basis of Presentation (Other Current Assets) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Summary of other current assets |  |
Prepaid expenses | $ 1,178 | $ 786
Other receivables | 424 | 173
Total current assets | $ 1,602 | $ 959

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