Quarterly report [Sections 13 or 15(d)]

Description of Business and Basis of Presentation - Going Concern, and Liquidity and Capital Resources (Details)

v3.25.1
Description of Business and Basis of Presentation - Going Concern, and Liquidity and Capital Resources (Details) - USD ($)
Apr. 07, 2025
Dec. 24, 2024
Mar. 31, 2025
Feb. 10, 2025
Jan. 07, 2025
Dec. 31, 2024
Subsequent Event [Line Items]            
Accumulated deficit     $ 455,745,000     $ 430,334,000
Accounts receivable, net     4,569,000     3,723,000
Cash and short-term investments     3,900,000      
Accounts payable     $ 16,365,000     $ 18,538,000
Common stock, shares issued     210,232,762     194,909,430
Senior Secured Convertible Promissory Note            
Subsequent Event [Line Items]            
Debt instrument, face amount       $ 10,000,000 $ 5,000,000  
Secured notes bear interest rate       30.00% 60.00%  
Note payable amount       $ 5,750,000    
Conversion price       $ 1 $ 1.56  
Senior Secured Convertible Promissory Note | Tranche One            
Subsequent Event [Line Items]            
Debt instrument, face amount       $ 5,000,000    
Senior Secured Convertible Promissory Note | Tranche Two            
Subsequent Event [Line Items]            
Debt instrument, face amount       $ 5,000,000    
Debt For Equity Exchange            
Subsequent Event [Line Items]            
Common stock, shares issued   185,151,333        
Cancellation of principal amount   $ 22,400,000        
Debt instrument accrued interest   400,000        
Secured notes, aggregate principal amount   $ 5,000,000        
Debt For Equity Exchange | Arrayed Notes Acquisition Corp            
Subsequent Event [Line Items]            
Ownership, Percentage   95.00%        
Subsequent Event | Senior Secured Convertible Promissory Note            
Subsequent Event [Line Items]            
Note payable amount $ 5,750,000          
Debt instrument, interest payment $ 750,000