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Summary of Significant Accounting Polices (Details)
$ in Thousands
Jun. 11, 2015
Jun. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Common Stock      
Reverse stock split ratio (as a percent) 0.077821    
Fair Value of Financial Instruments      
Transfers of assets or liabilities between levels   $ 0 $ 0