v3.22.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Preferred stock, par value $ 0.001 $ 0.001  
Preferred stock, shares authorized 5,000,000 5,000,000  
Preferred stock, shares issued 0 0  
Preferred stock, shares outstanding 0 0  
Class A Common stock      
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 60,000,000 60,000,000  
Common stock, shares issued 3,696,326 2,416,866  
Common stock, shares outstanding 3,696,326 2,416,866  
Class B Common stock      
Preferred stock, shares outstanding 0 81,198  
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 7,500,000 7,500,000  
Common stock, shares issued 0 81,198  
Common stock, shares outstanding 0 81,198 81,198