v3.19.1
Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued employee compensation and benefits $ 1,369 $ 433
Accrued advertising expenses 919 721
Other current liabilities 811 621
Accrued expenses and other current liabilities $ 3,099 $ 1,775