Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Policies - Schedule of net revenue (Details)

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Business and Summary of Significant Accounting Policies - Schedule of net revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Business and Summary of Significant Accounting Policies        
Net revenue $ 1,172 $ 769 $ 1,772 $ 1,663
Components        
Business and Summary of Significant Accounting Policies        
Net revenue 984 258 1,457 899
Consumer Audio Products        
Business and Summary of Significant Accounting Policies        
Net revenue $ 188 $ 511 $ 315 $ 764