Related Party Transactions - Schedule of Products and Services Sold to Related Parties (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Related Party Transaction [Line Items] | ||
| Products and services sold | $ 1 | $ 2,477 |
| Nirvana Corp [Member] | ||
| Related Party Transaction [Line Items] | ||
| Products and services sold | 738 | |
| Smash Technologies LLC [Member] | ||
| Related Party Transaction [Line Items] | ||
| Products and services sold | $ 1 | 37 |
| Stamax Corp. [Member] | ||
| Related Party Transaction [Line Items] | ||
| Products and services sold | 9 | |
| OneClick International LLC [Member] | ||
| Related Party Transaction [Line Items] | ||
| Products and services sold | 160 | |
| OneClick License LLC [Member] | ||
| Related Party Transaction [Line Items] | ||
| Products and services sold | $ 1,533 | |