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Subsequent Events (Details) - Term Loan - 2017 Term Loan
$ / shares in Units, $ in Thousands
Aug. 08, 2017
USD ($)
$ / shares
shares
Scenario, Forecast | Payment by November 30, 2017  
Subsequent Event [Line Items]  
Debt exit fees $ 140
Scenario, Forecast | Payment After November 30, 2017  
Subsequent Event [Line Items]  
Debt exit fees 280
Subsequent event  
Subsequent Event [Line Items]  
Long-term debt 2,000
Debt fees $ 30
Subsequent event | August Warrant  
Subsequent Event [Line Items]  
Number of warrants to purchase shares issued (in shares) | shares 450,000
Exercise price of warrant (in dollars per share) | $ / shares $ 0.80