Quarterly report pursuant to Section 13 or 15(d)

Related Parties (Details)

v3.21.2
Related Parties (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 09, 2020
May 18, 2020
Feb. 06, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Issuance of common stock in connection with settlements           $ 135,000        
Aggregate purchase price             $ 725,000      
Issuance of common stock 236,375 60,250                
Alexander Capital, LP.                    
Other Expenses     $ 83,000              
Aggregate purchase price     $ 835,000              
Alexander Capital, LP.                    
Warrants exercise price     $ 8.80              
Warrant term     5 years              
Warrant exercisable for shares of common stock     4,553              
Warrant                    
Warrant exercisable for shares of common stock       19,000       19,000    
Jonathan Gazdak | Warrant                    
Ownership percentage       1.00%       1.00%   1.00%
Helge Kristensen | Warrant                    
Ownership percentage       1.00%       1.00%   1.00%
Hansong Technology                    
Purchase of wireless audio speaker systems from related party       $ 96,000 $ 8,000     $ 854,000 $ 8,000  
Payments for purchases       309,000 38,000     962,000 67,000  
Hansong Technology | Sales To Related Party                    
Revenue from Related Parties       263,000 137,000     496,000 155,000  
Payments for purchases       $ 333,000 $ 0     $ 380,000 $ 1,000