v3.20.1
Acquisition of Simply Mac - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Sep. 25, 2019
Sep. 20, 2019
May 09, 2019
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]            
Net sales         $ 30,385,000 $ 11,615,000
Operating loss         (13,249,000) (9,597,000)
Simply Mac, Inc. [Member]            
Business Acquisition [Line Items]            
Net sales       $ 21,269,000    
Operating loss       $ 1,665,000    
Business acquisition, unaudited pro forma net sales         71,173,000 101,838,000
Business acquisition, unaudited pro forma net loss         24,289,000 $ 32,174,000
Simply Mac, Inc. [Member] | Stock Purchase Agreement [Member]            
Business Acquisition [Line Items]            
Stock purchase agreement date     May 09, 2019      
Stock purchase agreement amended date   Sep. 20, 2019        
Aggregate consideration for stock purchase $ 12,554,000          
Cash consideration 4,696,000          
Value of implied goodwill deductible for tax purposes $ 411,000          
Payments on consideration including working capital adjustment         5,157,000  
Working capital adjustment         $ 461,000  
Simply Mac, Inc. [Member] | Stock Purchase Agreement [Member] | 12% Secured Promissory Note [Member]            
Business Acquisition [Line Items]            
Notes payable, interest rate 12.00%          
Purchase consideration as promissory note $ 7,858,000