XML 82 R64.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of significant accounting policies - Analysis of Different Types of Revenues (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Revenue from continuing operations      
Subscription revenue $ 84,956 $ 90,163 $ 82,435
Advertising revenue 22,484 16,874 4,802
Product revenue (note a) 32,894 4,543 2,512
Other internet value-added services (note b) [1] 61,577 29,405 15,088
Total $ 201,911 $ 140,985 $ 104,837
[1] Other internet value-added services mainly comprise of CDN revenue, live video services, provision of technical services, traffic referral programs, and online game revenue.