Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Warrant activity (Details)

v3.23.1
Stockholders' Equity - Warrant activity (Details) - Warrant - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Stockholders' Equity      
Unvested balance at beginning 997 1,056  
Warrants, Exercise (1,029,200) (59)  
Warrants, Granted 5,166,119    
Unvested balance at end 4,137,916 997  
Weighted Average Exercise Price, Outstanding at beginning $ 9.9807 $ 9.4231  
Weighted Average Exercise Price, Outstanding at end 3.3016 9.9807  
Weighted Average Grant Date Fair Value, Granted 2.6713    
Weighted Average Exercise Price, Exercised $ 0.1441 $ 0.0015  
Aggregate Intrinsic Value $ 1 $ 11 $ 84