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
Mar. 31, 2017
Mar. 31, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]    
Total net revenues $ 3,108 $ 2,076
Media Agency Revenues [Member]    
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]    
Total net revenues 2,899 2,036
AI Platform Revenues [Member]    
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]    
Total net revenues $ 209 $ 40