Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.24.3
Organization and Description of Business - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 24, 2022
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Net loss   $ (11,642) $ (19,182) $ (35,429) $ (57,926)  
Operating cash inflow       10,688 $ 4,813  
Working capital deficiency   31,400   31,400    
Accumulated deficit   $ (1,363,073)   $ (1,363,073)   $ (1,327,644)
Common stock, shares, outstanding   6,626,880,000   6,626,880,000   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%