Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accrued Liabilities, Current [Abstract]
Taxes and other assessments	$ 3,081	$ 3,112
Compensation and benefits	1,550	2,492
Legal and professional fees	190	268
Consulting and other vendors	895	553
Interest and final payment fee	593	411
Deferred rent	256	278
Other	98	281
Total	$ 6,663	$ 7,395