Quarterly report pursuant to Section 13 or 15(d)

Prepaid and Other Current and Non-current Assets - Schedule of Components of Prepaid Expenses and Other Current Assets (Detail)

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Prepaid and Other Current and Non-current Assets - Schedule of Components of Prepaid Expenses and Other Current Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid professional services $ 1,628  
Deposits related to marketing activities 1,076 $ 968
Insurance 623 67
Prepaid rent   315
Other 892 614
Total prepaid expenses and current assets $ 4,219 $ 1,964