Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 63,953,993 65,544,073
Common stock, shares issued (in shares) 34,210,013 26,219,019
Common stock, shares outstanding (in shares) 34,210,013 26,219,019
Series A Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 0 2,000,000
Preferred stock, shares issued (in shares) 0 1,150,000
Preferred stock, shares outstanding (in shares) 0 1,150,000
Series D Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 3,600,000 0
Preferred stock, shares issued (in shares) 2,415,000 0
Preferred stock, shares outstanding (in shares) 2,415,000 0
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 6,456,065 6,456,065
Preferred stock, shares issued (in shares) 5,956,065  
Preferred stock, shares outstanding (in shares) 5,956,065  
Series C Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 25,989,942 25,999,862
Preferred stock, shares issued (in shares) 3,493,333 1,088,435
Preferred stock, shares outstanding (in shares) 3,493,333 1,088,435