Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.22.1
Organization and Description of Business - Additional Information (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 01, 2022
License
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Feb. 01, 2022
USD ($)
Jan. 07, 2022
Jan. 01, 2022
USD ($)
Aug. 20, 2021
Jul. 10, 2020
USD ($)
Net income (loss)   $ (10,102) $ (19,452) $ (77,490)          
Accumulated deficit   (811,734)   $ (801,632)     $ (801,632)    
Debt instrument debt default amount   97,500              
Debt instrument debt default principal amount   60,000              
Debt instrument debt default accrued additional fees and interest   15,800              
Debt instrument face amount         $ 4,600        
Net Cash Provided by (Used in) Operating Activities   1,751 5,452            
MD | Subsequent Event [Member]                  
Number of licensed entities being controlled | License 4                
MPX New Jersey LLC [Member]                  
Percentage of voting equity interests acquired           100.00%   100.00%  
Revenue [Member]                  
Increase in cost and expenses     $ 2,900            
Recapitalization transaction [Member]                  
Debt instrument face amount                 $ 14,700
Secured Debt [Member]                  
Debt Instrument debt default accrued interest amount   34,800              
Unsecured Debt [Member]                  
Debt Instrument debt default accrued interest amount   $ 10,800              
Senior secured convertible debentures [Member]                  
Debt instrument interest rate   13.00%              
Convertible unsecured debentures [Member]                  
Debt instrument interest rate   8.00%