Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Warrant activity (Details)

v3.22.1
Stockholders' Equity - Warrant activity (Details) - Warrant - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Number of Units and Awards, Unvested Beginning Balance 15,841  
Warrants, Exercise (890)  
Number of Units and Awards, Unvested Ending Balance 14,951  
Weighted Average Exercise Price, Outstanding $ 0.6315  
Weighted Average Exercise Price, Exercised 0.0001  
Weighted Average Exercise Price, Outstanding $ 0.6691  
Aggregate Intrinsic Value $ 11 $ 84