Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Policies - Net Revenue (Details)

v3.22.1
Business and Summary of Significant Accounting Policies - Net Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Revenue, net $ 566 $ 1,153
Components    
Disaggregation of Revenue [Line Items]    
Revenue, net 301 990
Consumer Audio Products    
Disaggregation of Revenue [Line Items]    
Revenue, net $ 265 $ 163