Quarterly report [Sections 13 or 15(d)]

Description of Business and Basis of Presentation (Details Narrative)

v3.25.2
Description of Business and Basis of Presentation (Details Narrative) - USD ($)
Jun. 27, 2025
Apr. 07, 2025
Dec. 24, 2024
Jul. 01, 2024
Jun. 10, 2024
Apr. 15, 2024
Apr. 10, 2024
Apr. 01, 2024
Jun. 30, 2025
Feb. 10, 2025
Jan. 07, 2025
Dec. 31, 2024
Common stock, par value $ 0.00001       $ 0.00001       $ 0.00001     $ 0.00001
Reverse stock split 1-for-5 and 1-for-50, with the exact ratio to be set within that range by the Company’s Board. On July 18, 2025, the Board approved the reverse stock split at a ratio of 1-for-15 (the “2025 Reverse Stock Split”). On July 25, 2025, the Company filed a Certificate of Amendment to the Company’s Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware to effect the 2025 Reverse Stock Split, effective as of July 28, 2025. As a result of the 2025 Reverse Stock Split, every 15 shares of the Company’s common stock were automatically reclassified and converted into one issued and outstanding share of common stock.       1-for-5 and 1-for-50, with the exact ratio to be set within that range by the Company’s board of directors (the “Board”). On June 10, 2024, the Board approved the reverse stock split at a ratio of 1-for-35 (the “2024 Reverse Stock Split”). On June 12, 2024, the Company filed a Certificate of Amendment to the Company’s Certificate of Incorporation with the Secretary of State of the State of Delaware to effect the 2024 Reverse Stock Split, effective as of June 13, 2024. As a result of the 2024 Reverse Stock Split, every 35 shares of the Company’s common stock were automatically reclassified and converted into one issued and outstanding share of common stock.              
Accumulated deficit                 $ 469,501,000     $ 430,334,000
Cash and cash equivalents on hand                 $ 900,000      
Common stock, shares issued                 14,067,416     12,993,962
BEPO Offering [Member]                        
Warrants exercise price per share             $ 183.75          
Shares issued             65,307          
Class of warrant or right, unissued             65,307          
Gross proceeds from warrant exercise             $ 12,000,000          
Second Note Amendment [Member]                        
Payment for debt               $ 5,000,000.0        
Aggregate principal amount               $ 4,200,000        
Repayment of debt           $ 5,500,000            
Repayment of secured debt           $ 4,600,000            
Warrants to purchase shares of common stock               41,808        
Warrants exercise price per share               $ 239.22        
Third Note Amendment [Member]                        
Securities purchase agreement, partial redemption payment       $ 10,500,000                
Debt For Equity Exchange Member]                        
Common stock, shares issued     12,343,423                  
Cancellation of principal amount     $ 22,400,000                  
Debt instrument, accrued interest     400,000                  
Debt instrument, face amount     $ 5,000,000.0                  
Debt For Equity Exchange Member] | Arrayed Notes Acquisition Corp [Member]                        
Ownership, percentage     95.00%                  
Senior Secured Convertible Promissory Note [Member]                        
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               $ 5,750,000    
Conversion price                   $ 15.00 $ 1.56  
Debt instrument, interest payment   $ 750,000                    
Senior Secured Convertible Promissory Note [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                        
Debt instrument, face amount                   $ 5,000,000    
Velo 3D [Member]                        
Exchange ratio shares                 $ 0.8149