Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.3.a.u2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
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) 806,435 866,259
Senior common stock, shares outstanding (in shares) 806,435 866,259
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 86,290,000 87,700,000
Common stock, shares issued (in shares) 32,593,651 29,254,899
Common stock, shares outstanding (in shares) 32,593,651 29,254,899
Series D 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 6,000,000
Redeemable preferred stock, shares issued (in shares) 6,296,555 3,509,555
Redeemable preferred stock, shares outstanding (in shares) 6,296,555 3,509,555
Series A and B 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) 0 5,350,000
Redeemable preferred stock, shares issued (in shares) 0 2,264,000
Redeemable preferred stock, shares outstanding (in shares) 0 2,264,000