Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.21.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 63,944,073 65,544,073
Common stock, shares issued (in shares) 30,478,064 26,219,019
Common stock, shares outstanding (in shares) 30,478,064 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 5,956,065
Preferred stock, shares outstanding (in shares) 5,956,065 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) 25,999,862 25,999,862
Preferred stock, shares issued (in shares) 2,029,455 1,088,435
Preferred stock, shares outstanding (in shares) 2,029,455 1,088,435