v3.19.3
Segments - Additional Information (Detail)
9 Months Ended
Sep. 30, 2019
USD ($)
Segment
Dec. 31, 2018
USD ($)
Segment Reporting Information [Line Items]    
Number of segment | Segment 3  
Total assets $ 29,571,000 $ 13,691,000
Goodwill 984,000  
Simply Mac Retail Stores [Member]    
Segment Reporting Information [Line Items]    
Total assets 18,255,000  
Goodwill $ 984,000