v3.20.1
Summary of Significant Accounting Policies; Prior Period Reclassification - Additional Information (Detail)
12 Months Ended
Oct. 06, 2019
USD ($)
Mar. 31, 2018
Mar. 09, 2018
Oct. 10, 2017
Dec. 31, 2019
USD ($)
Segment
Customer
shares
Dec. 31, 2018
USD ($)
Customer
shares
Jan. 01, 2019
USD ($)
Jun. 30, 2018
$ / $
May 16, 2018
Summary Of Significant Accounting Policies [Line Items]                  
Exchange rate | $ / $               28.880  
Loss on foreign currency translations and transactions           $ 9,000      
Maturity of cash equivalents         90 days        
Deposits with certain financial institutions         $ 2,289,000 2,241,000      
Accounts receivable, allowance for doubtful accounts         39,000 55,000      
Inventory write-downs         $ 540,000 76,000      
Number of operating segments | Segment         2        
Impairment of goodwill and intangibles $ 0         1,425,000      
Goodwill impairment charges           13,678,000      
Goodwill impairment related to discontinued operation           12,253,000      
Intangible assets impairment charges related to discontinued operation         $ 630,000        
Advertising expense         $ 89,000 $ 99,000      
Percentage of tax benefit likely to being realized upon settlement         50.00%        
Uncertain tax positions         $ 0        
Anti-dilutive securities excluded from computation of earnings (loss) per share | shares         4,937,000 161,000      
Reverse stock split description   1-for-5 reverse stock split 1-for-5 reverse stock split 1-for-5 reverse stock split          
Reverse stock split, conversion ratio   0.2 0.2 0.2          
Right-of-use assets         $ 7,504,000        
ASU 2016-02 [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Right-of-use assets             $ 4,642,000    
ASU 2016-02 [Member] | Discontinued Operations [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Right-of-use assets             $ 304,000    
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Supplier One [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         52.00% 47.00%      
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Supplier Two [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         19.00% 18.00%      
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Supplier Three [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         14.00% 9.00%      
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         10.00% 10.00%      
Number of customers | Customer         0 0      
Customer Concentration Risk [Member] | Accounts Receivable [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         10.00% 10.00%      
Number of customers | Customer         3 3      
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer One [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         23.00% 19.00%      
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Two [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         21.00% 17.00%      
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Three [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Concentration Risk, Percentage         17.00% 17.00%      
Apple Products [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Percentage of product sales         70.00% 48.00%      
Preferred Shares [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Anti-dilutive securities excluded from computation of earnings (loss) per share | shares         25,000 322,000      
In The Money Warrants [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Anti-dilutive securities excluded from computation of earnings (loss) per share | shares         26,347,000 5,192,000      
Minimum [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Estimated useful lives of property and equipment         3 years        
Maximum [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Estimated useful lives of property and equipment         5 years        
Argentina [Member] | OneClick [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Loss on foreign currency translations and transactions         $ 384,000 $ 470,000      
Argentina [Member] | Minimum [Member]                  
Summary Of Significant Accounting Policies [Line Items]                  
Percentage of cumulative inflation rate                 100.00%