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
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) 600,061 750,372
Senior common stock, shares outstanding (in shares) 600,061 750,372
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) 37,473,587 35,331,970
Common stock, shares outstanding (in shares) 37,473,587 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  
Redeemable preferred stock, shares issued (in shares) 422,920 116,674
Redeemable preferred stock, shares outstanding (in shares) 422,920 116,674