Quarterly report pursuant to Section 13 or 15(d)

Convertible Notes (Details)

v3.21.1
Convertible Notes (Details)
1 Months Ended 3 Months Ended
Nov. 04, 2020
shares
May 25, 2018
USD ($)
Sep. 30, 2020
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Convertible Notes [Abstract]            
Proceeds from issuance of convertible notes       $ 0 $ 448,000  
Fair value change in derivative and warrant liabilities       33,829,000 (198,000)  
Amortization of note discounts       $ 0 376,000  
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%    
Interest expense         138,000  
Proceeds from sale of capital stock       $ 5,000,000    
Interest rate in period of default       12.00%    
Convertible notes discount         800,000  
Premium conversion derivative       $ 0   $ 0
Fair value change in derivative and warrant liabilities         200,000  
Amortization of note discounts         $ 400,000  
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