v3.19.3
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