Annual report [Section 13 and 15(d), not S-K Item 405]

Related Parties (Details)

v3.25.1
Related Parties (Details) - USD ($)
2 Months Ended 12 Months Ended
Jan. 15, 2022
Mar. 27, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Sep. 08, 2023
Related Parties            
Net revenue     $ 2,674,000 $ 2,083,000    
Common stock, shares issued (in shares) 400   52,034,060 222,380    
Issuance of common stock in connection with the acquistion (shares)     40,000,000      
Interest income     $ 7,000      
DV Convertible Note            
Related Parties            
Principal amount     $ 10,000,000      
Meriwether | Short-term loan            
Related Parties            
Principal amount           $ 650,000
Meriwether Accelerators            
Related Parties            
Common stock, shares issued (in shares) 100          
Professional and contract services expense $ 7,500          
Other expenses         $ 45,000  
Warrant | Meriwether Accelerators            
Related Parties            
Ownership percentage     1.00% 1.00%    
Related Party [Member] | EOS Holdings            
Related Parties            
Amount due from related parties     $ 431,000      
Issuance of common stock in connection with the acquistion (shares)     3,999,911      
Interest income     $ 7,000      
Related Party [Member] | EOS Holdings | DV Convertible Note            
Related Parties            
Due to related party     $ 10,000,000      
Related Party [Member] | Subsequent Event | EOS Holdings            
Related Parties            
Revenue of related parties owned   $ 428,000        
Mr. Howitt | Meriwether | Meriwether            
Related Parties            
Ownership interest percentage     25.00%      
Helge Kristensen | Warrant            
Related Parties            
Ownership percentage     1.00% 1.00%    
Hansong Technology | Sales of Modules To Related Party            
Related Parties            
Net revenue     $ 58,000 $ 88,000    
Payments for purchases     38,000 254,000    
Amount due from related parties     24,000 4,000    
Hansong Technology | Purchase of speaker products from related party            
Related Parties            
Payments for purchases     235,000 1,223,000    
Amount due from related parties     43,000 250,000    
Purchase of wireless audio speaker systems from related party     $ 28,000 $ 128,000