Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Net Revenues (Detail)

v3.7.0.1
Summary of Significant Accounting Policies - Summary of Net Revenues (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]        
Total net revenues $ 4,087 $ 2,011 $ 7,195 $ 4,087
Media Agency Revenues [Member]        
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]        
Total net revenues 3,739 1,938 6,638 3,974
AI Platform Revenues [Member]        
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]        
Total net revenues $ 348 $ 73 $ 557 $ 113