Quarterly report pursuant to Section 13 or 15(d)

Convertible Notes (Details)

v3.21.2
Convertible Notes (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 04, 2020
shares
May 25, 2018
USD ($)
Sep. 30, 2020
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Convertible Notes [Abstract]                
Proceeds from issuance of convertible notes           $ 0 $ 771,000  
Fair value change in derivative and warrant liabilities       $ 0 $ 919,000 33,829,000 721,000  
Amortization of note discounts           $ 0 865,000  
Convertible Notes [Member]                
Convertible Notes [Abstract]                
Proceeds from issuance of convertible notes   $ 8,500,000            
Shares converted to common stock (in shares) | shares 977,128              
Interest rate percentage       8.00%   8.00%    
Interest expense         169,000   307,000  
Proceeds from sale of capital stock           $ 5,000,000    
Interest rate in period of default           12.00%    
Convertible notes discount         800,000   800,000  
Premium conversion derivative       $ 0   $ 0   $ 0
Fair value change in derivative and warrant liabilities         900,000   700,000  
Amortization of note discounts         $ 500,000   $ 900,000  
Convertible Notes [Member] | CIC [Member]                
Convertible Notes [Abstract]                
Conversion rate     2          
Convertible Notes [Member] | Qualified Financing [Member]                
Convertible Notes [Abstract]                
Conversion rate     1.75          
Proceeds from new equity investments           $ 1,000,000    
Convertible Notes [Member] | Reverse Merger [Member]                
Convertible Notes [Abstract]                
Conversion rate     1.75          
Convertible Notes [Member] | IPO [Member]                
Convertible Notes [Abstract]                
Conversion rate     1.75