Intangible Assets - Summary of Definite-Lived Intangible Assets Arose From Acquisition (Detail) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Acquired Finite Lived Intangible Assets [Line Items] | ||
| Definite-lived intangible assets, gross | $ 3,290 | $ 1,198 |
| Less accumulated amortization | (507) | (315) |
| Total | 2,783 | 883 |
| Tradenames [Member] | OneClick [Member] | ||
| Acquired Finite Lived Intangible Assets [Line Items] | ||
| Definite-lived intangible assets, gross | 938 | 938 |
| Tradenames [Member] | Simply Mac, Inc. [Member] | ||
| Acquired Finite Lived Intangible Assets [Line Items] | ||
| Definite-lived intangible assets, gross | 2,092 | |
| Covenants Not To Compete [Member] | OneClick [Member] | ||
| Acquired Finite Lived Intangible Assets [Line Items] | ||
| Definite-lived intangible assets, gross | 258 | 258 |
| Domain Name [Member] | OneClick [Member] | ||
| Acquired Finite Lived Intangible Assets [Line Items] | ||
| Definite-lived intangible assets, gross | $ 2 | $ 2 |