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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Prepaid Expense And Other Assets Current [Abstract]    
Insurance premiums $ 98 $ 591
Kits for clinical use 167 161
Professional Fees 177  
Other 223 222
Total prepaid expenses and other current assets $ 665 $ 974