Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

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Organization and Description of Business - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 24, 2022
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Net loss   $ (9,789) $ (20,149) $ (23,787) $ (38,744)  
Operating cash inflow       5,891 $ 679  
Working capital deficiency   67,000   67,000    
Accumulated deficit   $ (1,351,431)   $ (1,351,431)   $ (1,327,644)
Common stock, shares, outstanding   6,615,326,000   6,615,326,000   6,510,527,000
Recapitalization transaction [Member]            
Stock issued during period, shares, new issues 6,072,580          
Percentage of outstanding shares Held 2.75%          
Common stock, shares, outstanding 6,244,298          
Debt conversion, original debt, amount $ 5,000          
Existing Shareholders [Member] | Recapitalization transaction [Member]            
Common stock, shares, outstanding 171,718          
Secured Debt [Member]            
Debt instrument, interest rate 8.00%          
Secured Debt [Member] | Recapitalization transaction [Member]            
Debt instrument, interest rate on secured notes 13.00%          
Debt conversion, original debt, amount $ 99,700          
Debt instrument, maturity date Jul. 13, 2025          
Secured Debt [Member] | Secured Lenders [Member] | Recapitalization transaction [Member]            
Stock issued during period, shares, new issues 3,036,290          
Percentage of outstanding shares Held 48.625%          
Secured Debt [Member] | Maximum [Member] | Recapitalization transaction [Member]            
Debt conversion, original debt, amount $ 14,700          
Unsecured Debt [Member]            
Debt instrument, interest rate 8.00%          
Unsecured Debt [Member] | Recapitalization transaction [Member]            
Debt instrument, interest rate on secured notes 8.00%          
Debt conversion, original debt, amount $ 15,000          
Unsecured Debt [Member] | Unsecured Lenders [Member] | Recapitalization transaction [Member]            
Stock issued during period, shares, new issues 3,036,290          
Percentage of outstanding shares Held 48.625%