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Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Preferred stock, par value per share $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 0
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 190,000,000 40,300,000
Common stock, shares issued 32,792,867 2,177,956
Common stock, shares outstanding 32,222,881 1,289,342
Series A Convertible Preferred Stock    
Convertible preferred stock, par value per share $ 0.001 $ 0.001
Convertible preferred stock, shares authorized 0 22,724,926
Convertible preferred stock, shares issued 0 22,724,925
Convertible preferred stock, shares outstanding 0 22,724,925
Convertible preferred stock, liquidation value   $ 22,000
Series B Convertible Preferred Stock    
Convertible preferred stock, par value per share $ 0.001 $ 0.001
Convertible preferred stock, shares authorized 0 0
Convertible preferred stock, shares issued 0 0
Convertible preferred stock, shares outstanding 0 0