Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.4
Subsequent Events (Details) - shares
12 Months Ended
Feb. 03, 2021
Jan. 01, 2021
Dec. 31, 2020
Feb. 22, 2021
Waiver Agreements [Member] | Series B Warrants [Member] | Subsequent Event [Member]        
Subsequent Events [Abstract]        
Number of shares aggregate with holders (in shares) 1,708,334      
Inducement Plan [Member] | Subsequent Event [Member]        
Subsequent Events [Abstract]        
Number of shares reserved (in shares)       325,258
2020 Plan Evergreen Provision [Member]        
Subsequent Events [Abstract]        
Percentage of common stock shares outstanding     5.00%  
2020 Plan Evergreen Provision [Member] | Maximum [Member]        
Subsequent Events [Abstract]        
Period of shares reserved under plan     10 years  
2020 Plan Evergreen Provision [Member] | Subsequent Event [Member]        
Subsequent Events [Abstract]        
Number of shares added (in shares)   544,125