Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.21.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2021
Dec. 31, 2020
Senior common stock, par value (in dollars per share) $ 0.001 $ 0.001
Senior common stock, shares authorized (in shares) 950,000 950,000
Senior common stock, shares issued (in shares) 634,179 750,372
Senior common stock, shares outstanding (in shares) 634,179 750,372
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 62,290,000 60,290,000
Common stock, shares issued (in shares) 36,880,119 35,331,970
Common stock, shares outstanding (in shares) 36,880,119 35,331,970
Series D, E And G Preferred Stock    
Redeemable preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Redeemable preferred stock, liquidation preference (in dollars per share) $ 25 $ 25
Redeemable preferred stock, shares authorized (in shares) 10,760,000 12,760,000
Redeemable preferred stock, shares issued (in shares) 7,061,448 6,571,003
Redeemable preferred stock, shares outstanding (in shares) 7,061,448 6,571,003
Series F Preferred Stock    
Redeemable preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Redeemable preferred stock, liquidation preference (in dollars per share) $ 25 $ 25
Redeemable preferred stock, shares authorized (in shares) 26,000,000 26,000,000
Redeemable preferred stock, shares issued (in shares) 335,162 116,674
Redeemable preferred stock, shares outstanding (in shares) 335,162 116,674