Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.21.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 200,000,000 200,000,000
Common stock, issued (in shares) 66,004,348 51,908,398
Common stock, outstanding (in shares) 66,004,348 51,908,398
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, authorized (in shares) 30,000 30,000
Preferred stock, issued (in shares) 17,306 21,754
Preferred stock, outstanding (in shares) 17,306 21,754