Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Redeemable Series E preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Redeemable Series E preferred stock, authorized (in shares) 2,900,000 2,900,000
Redeemable Series E preferred stock, issued (in shares) 1,387,378 1,387,378
Redeemable Series E preferred stock, outstanding (in shares) 1,387,378 1,387,378
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 200,000,000 88,000,000
Common stock or units, issued (in shares) 49,139,708 47,977,390
Common stock, outstanding (in shares) 49,139,708 47,977,390