Quarterly report pursuant to Section 13 or 15(d)

Consolidated Financial Statements Details - Summary of Other Accrued Liabilities (Detail)

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Consolidated Financial Statements Details - Summary of Other Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Accrued Liabilities and Other Liabilities [Abstract]    
Accrued compensation and benefits $ 1,908 $ 3,117
Other 937 1,325
Total $ 2,845 $ 4,442