Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.21.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Quoted prices in active markets (Level 1)    
Liabilities:    
Derivative liability   $ 0
Quoted prices in active markets (Level 1) | Warrant    
Liabilities:    
Warrant liability $ 0 0
Significant other observable inputs (Level 2)    
Liabilities:    
Derivative liability   0
Significant other observable inputs (Level 2) | Warrant    
Liabilities:    
Warrant liability 0 0
Significant unobservable inputs (Level 3)    
Liabilities:    
Derivative liability   387
Significant unobservable inputs (Level 3) | Warrant    
Liabilities:    
Warrant liability $ 8 $ 8