Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Financial Statements Details - Outstanding Securities Considered Anti-Dilutive (Details)

v3.21.2
Condensed Consolidated Financial Statements Details - Outstanding Securities Considered Anti-Dilutive (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share        
Antidilutive securities excluded from computation of net loss per share (in shares) 5,512 5,953 5,370 6,115
Convertible Preferred Stock [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share        
Antidilutive securities excluded from computation of net loss per share (in shares) 5,003 5,003 5,003 5,483
Stock Options [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share        
Antidilutive securities excluded from computation of net loss per share (in shares) 505 931 362 611
Warrants for Common Stock [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share        
Antidilutive securities excluded from computation of net loss per share (in shares) 4 19 5 21