Quarterly report pursuant to Section 13 or 15(d)

Related Parties (Details)

v3.21.2
Related Parties (Details) - USD ($)
3 Months Ended 6 Months Ended
Feb. 06, 2020
Jun. 30, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Issuance of common stock in connection with settlements     $ 135,000        
Aggregate purchase price       $ 725,000      
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   281,000     281,000    
Gary Williams [Member] | Warrant              
Ownership percentage   1.00%     1.00%   1.00%
Hansong Technology [Member]              
Purchase of wireless audio speaker systems from related party   $ 132,000 29,000   $ 757,000 $ 29,000  
Payments for purchases   443,000 0   653,000 0  
Hansong Technology [Member] | Sales To Related Party [Member]              
Revenue from Related Parties   151,000 18,000   233,000 18,000  
Payments for purchases   $ 0 $ 1,000   $ 48,000 $ 1,000