Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Earnings Per Share, Basic and Diluted (Details)

v3.22.1
Summary of Significant Accounting Policies - Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Class of Stock [Line Items]    
Net Income (Loss) Attributable to Parent $ (11,211) $ (12,557)
Deemed dividend for the modification related to Series 8 Preferred Stock (2,600)  
Deemed contribution for the modification related to Warrants issued in connection with Series 8 Preferred Stock 1,500  
Net loss attributable to common stockholders, basic (17,362) (12,557)
Net loss attributable to common stockholders, diluted $ (17,362) $ (12,557)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic (in shares) 138,502,493 78,942,697
Weighted-average shares used to compute net loss per share attributable to common stockholders, diluted (in shares) 138,502,493 78,942,697
Net loss per share attributable to common stockholders basic (in usd per share) $ (0.13) $ (0.16)
Net loss per share attributable to common stockholders diluted (in usd per share) $ (0.13) $ (0.16)
Series 7 Convertible Preferred Stock    
Class of Stock [Line Items]    
Accretion of Preferred Stock $ (4,555) $ 0
Series 8 Convertible Preferred Stock    
Class of Stock [Line Items]    
Accretion of Preferred Stock (548) 0
Deemed dividend for the modification related to Series 8 Preferred Stock (2,627) 0
Deemed contribution for the modification related to Warrants issued in connection with Series 8 Preferred Stock 1,469 0
Amortization premium- modification related to Series 8 Preferred Stock $ 110 $ 0