Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
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) 776,647 806,435
Senior common stock, shares outstanding (in shares) 776,647 806,435
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 60,290,000 86,290,000
Common stock, shares issued (in shares) 33,960,707 32,593,651
Common stock, shares outstanding (in shares) 33,960,707 32,593,651
Series D and E 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) 12,760,000 12,760,000
Redeemable preferred stock, shares issued (in shares) 6,356,119 6,269,555
Redeemable preferred stock, shares outstanding (in shares) 6,356,119 6,269,555