Quarterly report [Sections 13 or 15(d)]

Related Parties (Details)

v3.25.1
Related Parties (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Related Parties        
Net revenue   $ 629,000 $ 255,000  
Issuance of common stock in connection with the acquistion (shares)       40,000,000
Interest income   5,000    
DV Convertible Note        
Related Parties        
Principal amount       $ 10,000,000
Related Party [Member] | EOS Holdings        
Related Parties        
Amount due from related parties $ 299,000 $ 299,000    
Issuance of common stock in connection with the acquistion (shares)   3,999,911    
Interest income   $ 5,000    
Revenue of related parties owned 428,000      
Related Party [Member] | EOS Holdings | DV Convertible Note        
Related Parties        
Due to related party $ 9,700,000 $ 9,700,000    
Helge Kristensen | Warrant        
Related Parties        
Ownership percentage 1.00% 1.00%   1.00%
Hansong Technology | Sales of Modules To Related Party        
Related Parties        
Net revenue   $ 11,000 25,000  
Payments for purchases   0 0  
Amount due from related parties $ 35,000 35,000 29,000  
Hansong Technology | Purchase of speaker products from related party        
Related Parties        
Purchase of wireless audio speaker systems from related party   0 0  
Payments for purchases   0 25,000  
Amount due from related parties $ 43,000 $ 43,000 $ 225,000