Quarterly report pursuant to Section 13 or 15(d)

Related Parties (Details)

v3.23.2
Related Parties (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Related Parties          
Net revenue $ 425,000 $ 946,000 $ 894,000 $ 1,512,000  
Helge Kristensen | Warrant          
Related Parties          
Ownership percentage 1.00%   1.00%   1.00%
Hansong Technology          
Related Parties          
Net revenue $ 24,000 108,000      
Payments for purchases 189,000 0 $ 1,053,000 790,000  
Amount due from related parties 29,000 191,000 29,000 191,000  
Hansong Technology | Sales To Related Party          
Related Parties          
Net revenue     48,000 191,000  
Payments for purchases 794,000 492,000 189,000 0  
Purchase of wireless audio speaker systems from related party 21,000 2,000 59,000 459,000  
Amount due from related parties $ 350,000 $ 459,000 $ 350,000 $ 459,000