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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Payables And Accruals [Abstract]    
Compensation, excluding taxes $ 966 $ 2,187
Professional fees 167 341
Short-term portion of lease restructuring 214 239
Deferred rent 28 58
Other 647 778
Total accrued expenses $ 2,022 $ 3,603