v3.20.1
Stockholders' Deficit - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2019
shares
Jan. 09, 2019
USD ($)
$ / shares
shares
Sep. 13, 2018
USD ($)
Party
$ / shares
shares
Aug. 17, 2018
Store
Aug. 15, 2018
USD ($)
Holder
$ / shares
shares
Jun. 01, 2018
USD ($)
$ / shares
shares
Mar. 31, 2018
Mar. 12, 2018
USD ($)
$ / shares
shares
Mar. 09, 2018
$ / shares
Jan. 31, 2018
$ / shares
shares
Jan. 19, 2018
$ / shares
shares
Jan. 05, 2018
shares
Oct. 10, 2017
Aug. 03, 2017
USD ($)
$ / shares
shares
Aug. 02, 2017
$ / shares
shares
Oct. 31, 2019
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
$ / shares
shares
Sep. 30, 2018
USD ($)
shares
Jun. 30, 2018
USD ($)
Installment
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
shares
Nov. 30, 2019
shares
Jun. 30, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Preferred stock, shares authorized                                       10,000,000 10,000,000      
Preferred stock, shares outstanding                                       25,000 322,000      
Preferred stock, shares issued                                       25,000 322,000      
Common stock, shares authorized                                       150,000,000 150,000,000      
Common stock, shares outstanding                                       43,776,992 7,793,000      
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                      
Minimum bid price required for initial listing | $ / shares                 $ 4.00                              
Warrants exercisable into shares of common stock           1,183,116       570,287                            
Exercise price of warrants, per share | $ / shares           $ 3.02       $ 9.15                     $ 3.73      
Share price, per share | $ / shares           $ 3.14                                    
Net proceeds from sale of stock | $           $ 3,585,000                           $ 1,154,000 $ 5,335,000      
Promissory note principal amount | $                                       16,359,000 9,117,000      
Debt exchange conversion aggregate amount | $                                       8,001,000 11,445,000      
Debt exchange conversion units                   570,287                            
Loss on debt conversion | $                                       4,057,000 $ 1,227,000      
Warrants exercised (in shares)                                         233,000      
Warrants weighted average exercise price | $ / shares                                         $ 11.38      
Shares issued for warrants exercise                                         81,000      
Warrants outstanding                                         5,348,601      
Warrants exercisable                                         156,543      
Average exercise price of warrants exercisable, per share | $ / shares                                         $ 11.02      
Strike price per share | $ / shares           $ 3.14                                    
Conversion of notes payable and accrued interest to equity | $                                       $ 8,001,000 $ 11,445,000      
Term of vesting schedule                                       10 years        
Vested share exercised                                       3 months        
Stock options granted under equity incentive plans                                       0 0      
Aggregate intrinsic value in outstanding stock options | $                                       $ 0        
Aggregate intrinsic value closing stock price | $ / shares                                       $ 0.0755        
Total value of restricted stock award | $                                     $ 200,000          
Number of shares issued, value | $                                         $ 5,335,000      
Stock issued during period, shares                                       18,505,000        
Stock issued during period, values | $                                       $ 3,265,000        
Minimum [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Period of option granted vest                                       2 years        
Maximum [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Period of option granted vest                                       3 years        
2015 Equity Incentive Plan [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Common stock authorized for issuance there-under                                         775,000   15,000,000 48,230,000
2015 Plan [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Stock issued during period, shares                                       1,399,000        
2019 Plan [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Stock issued during period, shares                                       7,206,000        
Number of shares vested                                       1,299,000        
Restricted Stock Award [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Shares issued                                   59,000            
Number of shares granted                                     42,000          
Number of shares vested                                     17,000          
Number of shares expected to vest                                     25,000          
Number of equal vesting installments | Installment                                     4          
Restricted Stock Award [Member] | Prepaid Assets [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Unrecognized compensation expense related to non-vested restricted stock award | $                                         $ 30,000      
Unregistered Shares [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Stock issued during period, shares                                       10,000,000        
Common Stock [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Shares issued           885,346                             1,060,000      
Preferred stock convertible into common stock                                       297,000 739,000      
Number of shares issued, value | $                                   $ 260,000     $ 1,000      
Stock-based compensation | $                                         $ 430,000      
Preferred Stock [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Shares issued           297,770                             298,000      
Preferred stock convertible into common stock                                       (297,000) (739,000)      
Warrants [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Life of warrants, having cashless exercise feature           3 years                                    
Warrants exercise lock-out period           6 months                                    
Exchange [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Number of holders | Holder         21                                      
Promissory note principal amount | $         $ 11,019,000                     $ 7,852,000                
Promissory notes accrued interest | $         426,000                     668,000                
Debt exchange conversion aggregate amount | $     $ 1,023,000   11,445,000                     8,520,000                
Combined value of the stock and warrants | $     1,123,000                                          
Loss on debt conversion | $     $ 100,000                                          
Number of parties | Party     3                                          
Carrying value of extinguishment of debt | $                               $ 7,461,000                
Warrants exercisable expiration period                               3 years                
Conversion of notes payable and accrued interest to equity | $     $ 1,023,000   11,445,000                     $ 8,520,000                
Exchange [Member] | Restricted Stock Award [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Fair value of restricted stock estimated on the date of issuance | $         $ 8,280,000                                      
Fair value assumption, discount rate         25.00%                                      
Fair value assumption, risk-free interest rates         2.23%                                      
Fair value assumption hold term         6 months                                      
Fair value assumption, expected volatility         90.00%                                      
Exchange [Member] | Common Stock [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Debt exchange conversion units     290,000   3,110,000                     16,706,000                
Debt exchange conversion price per unit | $ / shares     $ 3.53   $ 3.68                     $ 0.51                
Exchange [Member] | Warrants [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Exercise price of warrants, per share | $ / shares     $ 3.41   $ 3.56                     $ 0.51                
Debt exchange conversion aggregate amount | $                               $ 8,464,000                
Each unit comprised of common stock and warrant to purchase number of common share     1   1                     15,396,000                
Warrants exercisable beginning date     Mar. 13, 2019   Feb. 15, 2019                                      
Warrants exercisable expiration date     Sep. 13, 2021   Aug. 15, 2021                                      
Fair value assumption, discount rate         25.00%                                      
Fair value assumption, risk-free interest rates     2.68%   2.68%                                      
Fair value assumption, expected volatility     90.00%   90.00%                     70.00%                
Fair value of warrants estimated on the date of issuance | $     $ 384,000   $ 4,292,000                     $ 3,713,000                
Fair value assumption,expected term     3 years   3 years                     3 years                
Combined value of the stock and warrants | $         $ 12,572,000                     $ 12,177,000                
Loss on debt conversion | $         $ 1,127,000                     4,048,000                
Conversion of notes payable and accrued interest to equity | $                               $ 8,464,000                
Fair value assumption, risk-free interest rates, minimum                               1.50%                
Fair value assumption, risk-free interest rates, maximum                               1.70%                
Exchange [Member] | Warrants [Member] | Restricted Stock Award [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Fair value assumption, discount rate     25.00%                                          
Fair value assumption, risk-free interest rates     2.23%                                          
Fair value assumption, expected volatility     90.00%                                          
Fair value of warrants estimated on the date of issuance | $     $ 739,000                                          
Fair value assumption,expected term     6 months                                          
Settlement Agreement with Vendor [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Warrants exercisable into shares of common stock   93,448                             382,165              
Exercise price of warrants, per share | $ / shares   $ 1.64                                            
Share price, per share | $ / shares                                 $ 3.02              
Warrants exercisable beginning date   Jul. 09, 2019                                            
Warrants exercisable expiration date   Jan. 09, 2022                                            
Fair value of warrants estimated on the date of issuance | $   $ 59,000                                            
Combined value of the stock and warrants | $   173,000                                            
Loss on debt conversion | $   9,000                                            
Amount owed by vendor | $   $ 164,000                                            
Issuance of restricted common shares   93,448                                            
Strike price per share | $ / shares                                 $ 3.02              
Aggregate proceeds from exercise of warrants | $                                 $ 1,154,000              
Settlement Agreement with Vendor [Member] | Restricted Stock Award [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Fair value of restricted stock estimated on the date of issuance | $   $ 114,000,000                                            
Fair value assumption, discount rate   25.00%                                            
Fair value assumption, expected volatility   90.00%                                            
Fair value assumption,expected term   6 months                                            
Settlement Agreement with Vendor [Member] | Common Stock [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Preferred stock convertible into common stock 297,000                                              
Settlement Agreement with Vendor [Member] | Warrants [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Fair value assumption, risk-free interest rates   2.52%                                            
Fair value assumption, expected volatility   90.00%                                            
Fair value assumption,expected term   3 years                                            
Cooltech Holding Corp. ("Cooltech") [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Private placement of common stock | $               $ 6,150,000                                
Common stock, shares issued               675,656             100,000                  
Common stock price, per share | $ / shares                             $ 10.00                  
Warrants exercisable into shares of common stock               389,000     114,285       100,000                  
Exercise price of warrants, per share | $ / shares                     $ 9.15       $ 12.10                  
Life of warrants, having cashless exercise feature                     3 years                          
Warrants exercisable beginning date                     Jul. 19, 2018                          
Cooltech Holding Corp. ("Cooltech") [Member] | Dominican Republic [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Number of retail electronic stores acquired | Store       7                                        
Cooltech Holding Corp. ("Cooltech") [Member] | Restricted Stock Award [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Common stock, shares issued                       625,000                        
Cooltech Holding Corp. ("Cooltech") [Member] | Stock Purchase Agreement [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Common shares issued in exchange of their stock               1,111,000                                
Private placement of common stock | $               $ 1,750,000           $ 1,750,000                    
Common stock, shares issued               175,000           175,000                    
Common stock price, per share | $ / shares               $ 10.00           $ 10.00                    
Warrants exercisable into shares of common stock               175,000           175,000                    
Exercise price of warrants, per share | $ / shares               $ 12.10           $ 12.10                    
Unitron Assets [Member] | Dominican Republic [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Number of common stock shares issued upon satisfaction of merger agreement                       625,000                        
Number of retail electronic stores acquired | Store       7                                        
Series A Convertible Preferred Stock [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Preferred stock, shares authorized                                       10,000,000   10,000,000    
Preferred stock, shares outstanding                                       25,000        
Percentage of outstanding shares authorized for issuance                                       0.00%   0.00%    
Additional preferred shares issued           298,000                                    
Preferred stock convertible into common stock                                       297,000 739,000      
Series A Convertible Preferred Stock [Member] | Cooltech Holding Corp. ("Cooltech") [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Preferred stock, shares outstanding                                           4,408,000    
Preferred stock, shares issued               763,000                                
Cooltech Holding Corp. ("Cooltech") [Member]                                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                
Common stock, shares authorized                                       110,000,000   40,000,000