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Basis of Presentation (Other Current Assets) (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Summary of other current assets |  |
Prepaid expenses | $ 1,206 | $ 835
Other receivables | 595 | 685
Co-promote receivable | 0 | 322
Total current assets | $ 1,801 | $ 1,842

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