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Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Accrued Liabilities Current [Abstract]    
Taxes and other assessments $ 3,072 $ 3,112
Compensation and benefits 1,814 2,492
Consulting and other vendors 954 553
Interest and final payment fee 743 411
Deferred rent 231 278
Legal and professional fees 205 268
Restructuring charges 199  
Other 126 281
Total $ 7,344 $ 7,395