v3.19.3
Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Acquired Finite Lived Intangible Assets [Line Items]        
Amortization expense $ 65,000 $ 63,000 $ 191,000 $ 189,000
Definite-lived intangible assets, amortization expense, remainder of 2019 63,000   63,000  
Definite-lived intangible assets, amortization expense, 2020 252,000   252,000  
Definite-lived intangible assets, amortization expense, 2021 236,000   236,000  
Definite-lived intangible assets, amortization expense, 2022 $ 143,000   $ 143,000  
OneClick [Member] | Tradenames [Member]        
Acquired Finite Lived Intangible Assets [Line Items]        
Amortization period     60 months  
OneClick [Member] | Covenants Not To Compete [Member]        
Acquired Finite Lived Intangible Assets [Line Items]        
Amortization period     48 months  
Simply Mac, Inc. [Member]        
Acquired Finite Lived Intangible Assets [Line Items]        
Amortization expense     $ 139,000  
Simply Mac, Inc. [Member] | Tradenames [Member]        
Acquired Finite Lived Intangible Assets [Line Items]        
Amortization period     15 years