v3.22.1
Stockholders' Deficit - Additional Information (Detail)
1 Months Ended 12 Months Ended
Oct. 31, 2020
Oct. 14, 2020
shares
Dec. 31, 2021
USD ($)
FormerExecutive
shares
Nov. 30, 2021
USD ($)
shares
Oct. 31, 2021
USD ($)
PrivatePlacement
shares
Sep. 30, 2021
USD ($)
FormerExecutive
PrivatePlacement
shares
Aug. 31, 2021
USD ($)
PrivatePlacement
shares
Jun. 30, 2021
USD ($)
FormerExecutive
shares
Apr. 30, 2021
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
FormerExecutive
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Sep. 30, 2020
USD ($)
shares
Aug. 31, 2020
USD ($)
shares
Jun. 30, 2020
USD ($)
Director
shares
Apr. 30, 2020
USD ($)
shares
Mar. 31, 2020
USD ($)
ConvertibleNote
$ / shares
shares
Jan. 29, 2022
USD ($)
shares
Jan. 30, 2021
USD ($)
FormerExecutive
shares
Dec. 31, 2019
USD ($)
shares
Jul. 06, 2021
USD ($)
$ / shares
shares
Nov. 30, 2019
shares
Dec. 31, 2018
shares
Jun. 30, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Preferred stock, shares authorized | shares                                 10,000,000 10,000,000          
Preferred stock, shares outstanding | shares                                 2,000 2,000          
Common stock, shares authorized | shares                                 150,000,000 150,000,000          
Common stock, shares outstanding | shares                                 12,886,000 11,465,000          
Promissory note principal amount                                 $ 6,927,000 $ 4,348,000          
Debt exchange conversion aggregate amount                                 1,045,000 6,615,000          
(Loss) gain on debt conversion                                 3,139,000 $ 13,642,000          
Debt conversion, description                               Company entered into an additional debt restructuring that resulted in the conversion of debt with an aggregate principal amount of $7,492,000 and accrued interest of $691,000 into common stock of the Company.  The carrying value of the debt and related derivative liability at the time of extinguishment amounted to $8,341,000.  The aggregate total of $8,183,000 was converted into 4,814,000 shares of common stock at $1.70 per share.              
Debt conversion, aggregate principal amount                               $ 7,492,000              
Debt conversion, accrued interest                               691,000              
Debt aggregate conversion amount                               $ 8,183,000              
Debt conversion                                 1,045,000            
Number of shares granted, value                                 2,000,000            
Number of outside directors | Director                           2                  
Number of former executives | FormerExecutive     3     3   3   3               3          
Reverse stock split description one-for-ten reverse stock split one-for-ten reverse split                                          
Reverse stock split, conversion ratio 0.1 0.1                                          
Warrants exercisable into shares of common stock | shares                                       418,000,000      
Proceeds from warrant exercises                 $ 123,000 $ 123,000             $ 123,000            
Term of vesting schedule                                 10 years            
Vested share exercised                                 3 months            
Stock options granted under equity incentive plans | shares                                 286,000 855,000          
Expected life                                 5 years 5 years          
Risk-free interest rate, minimum                                 0.70% 0.20%          
Risk-free interest rate, maximum                                 0.72% 0.30%          
Stock-based compensation expense                                 $ 1,103,000 $ 1,332,000          
Expected dividend yield                                 0.00% 0.00%          
Stock issued during period, shares                             $ 216,000                
Reduction in value of warrants                             89,000                
Compensation expense                             $ 127,000                
Warrant unexercised | shares                     247,000                        
Warrants, expiration date                     Jan. 06, 2021                        
Warrants extend expiration period                     4 months                        
Warrants, extended expiration date                     May 06, 2021                        
Future stock-based compensation                                 $ 1,416,000            
Minimum [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Expected life                                 2 years 8 months 8 days            
Maximum [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Expected life                                 2 years 9 months            
Stock Option [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Stock-based compensation expense                                 $ 305,000 $ 722,000          
Unregistered Shares [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Stock issued during period, shares | shares                             300,000                
Stock issued during period, values | shares                             300,000                
Restricted Stock Award [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Stock-based compensation expense                                 17,000 $ 93,000          
Immediate Vesting Options [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Expected life                                   2 years 6 months          
Graded Vested Options [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Expected life                                   3 years 3 months 18 days          
2015 Equity Incentive Plan [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock authorized for issuance there-under | shares                     1,500,000                   1,500,000 79,000 5,000
SOL Global [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Convertible notes amount                                       $ 1,045,000,000      
Private Placement                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Proceeds from common stock issue         $ 2,000,000 $ 2,000,000 $ 2,000,000                                
Number of private placements | PrivatePlacement         4 4 4                                
Director                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares                           295,000                  
Number of shares granted, value                           $ 390,000                  
Director and Employee [Member] | Restricted Stock Award [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares       750,000                                      
Number of shares granted, value       $ 1,898,000                                      
Stock-based compensation expense                                 $ 780,000            
Exchange [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Number of convertible notes exchanged into common stock | ConvertibleNote                               2              
Promissory note principal amount                               $ 434,000              
Promissory notes accrued interest                               8,000              
Debt exchange conversion aggregate amount                               35,000              
(Loss) gain on debt conversion                               $ 204,000              
Shares holders blocker percentage                               4.99%              
Common Stock [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Convertible notes converted into shares of common stock | shares                               4,814,000              
Debt exchange conversion price per unit | $ / shares                               $ 1.70       $ 2.50      
(Loss) gain on debt conversion                               $ 6,472,000              
Debt and related derivative liability at the time of extinguishment                               8,341,000              
Debt conversion                               $ 1,869,000              
Common stock issued | shares                               1,068,000 575,000            
Stock repurchased | shares                         70,000                    
Stock retired | shares                         70,000                    
Stock repurchased and retired value                         $ 28,000                    
Reverse stock split description   1-for-10                                          
Reverse stock split, conversion ratio   0.1                                          
Stock issued during period, shares, reverse stock splits | shares   2,000                                          
Warrants exercisable into shares of common stock | shares                 247,000 247,000                          
Exercise price of warrants, per share | $ / shares                 $ 0.50 $ 0.50                          
Debt exchange conversion price per unit | $ / shares                               $ 1.70       $ 2.50      
Expected annualized volatility rate, minimum                                   95.00%          
Expected annualized volatility rate maximum                                   108.00%          
Expected annualized volatility rate                                 107.00%            
Common Stock [Member] | Private Placement                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares         576,000 576,000 576,000                                
Common Stock [Member] | Director                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares                           80,000,000                  
Number of shares granted, value                           $ 106,000                  
Common Stock [Member] | Former Executive                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares     28,000     28,000   28,000   28,000 54,000 54,000   54,000                  
Number of shares granted, value     $ 89,000     $ 89,000   $ 89,000   $ 89,000 $ 57,000 $ 57,000   $ 57,000                  
Common Stock [Member] | Sponsorship Agreement [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares           63,000                                  
Number of shares granted, value           $ 250,000                                  
Common Stock [Member] | Other Expenses [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares                                     1,040,000        
Number of shares granted, value                                     $ 415,000        
Common Stock [Member] | Simply Mac, Inc. [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Common stock issued | shares                               1,040,000              
Common Stock [Member] | Exchange [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Convertible notes converted into shares of common stock | shares                               86,800              
Debt exchange conversion price per unit | $ / shares                               $ 5.10              
Common stock issued | shares                               5,882,000              
Shares delivered | shares                               270,000              
Shares remain to be delivered | shares                               5,612,000              
Debt exchange conversion price per unit | $ / shares                               $ 5.10              
Warrants [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Convertible notes converted into shares of common stock | shares                     453,000,000                        
Stock issued during period, shares                     $ 227,000                        
Series A Convertible Preferred Stock [Member]                                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                              
Preferred stock, shares authorized | shares                                 10,000,000            
Preferred stock, shares outstanding | shares                                 2,000,000            
Percentage of outstanding shares authorized for issuance                                 0.00%            
Preferred stock, conversion basis                                 The preferred shares are essentially convertible into common stock of the Company on a one-for-one basis at the election of the holder.