v3.21.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
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 60,000,000
Common Stock, shares issued 3,551,371 2,416,866  
Common Stock, shares outstanding 3,551,371 2,416,866 1,893,718
Class B Common stock      
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 7,500,000 7,500,000 7,500,000
Common Stock, shares issued 81,198 81,198  
Common Stock, shares outstanding 81,198 81,198