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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Payables And Accruals [Abstract]    
Compensation, excluding taxes $ 1,017 $ 2,187
Professional fees 171 341
Short-term portion of lease restructuring 209 239
Deferred rent 36 58
Other 627 778
Total accrued expenses $ 2,060 $ 3,603