Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.22.2.2
Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Feb. 01, 2022
Jan. 31, 2022
Apr. 07, 2021
Feb. 28, 2021
Jan. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Apr. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Class of Stock [Line Items]                              
Common stock, shares authorized (in shares)           1,000,000,000   1,000,000,000 1,000,000,000       1,000,000,000    
Common stock, par value (in dollars per share)           $ 0.0001   $ 0.0001 $ 0.0001       $ 0.0001    
Common stock, shares issued (in shares)           101,321,268   101,321,268 101,321,268       96,751,610    
Common stock, shares outstanding (in shares)           101,321,268   101,321,268 101,321,268       96,751,610    
Proceeds from sales of common stock, net of issuance costs                 $ 3,655 $ 32,610          
Proceeds not received related to sales of common stock                 $ 0 $ 97          
Number of warrants (in shares)           5,636,801   5,636,801 5,636,801       5,636,801    
Common Stock                              
Class of Stock [Line Items]                              
Common stock, shares outstanding (in shares)           101,321,000 75,549,000 101,321,000 101,321,000 75,549,000 98,137,000   96,752,000 72,736,000 56,371,000
Sales of common stock, net of issuance costs (in shares)           2,193,000 2,039,000   2,193,000 17,162,000          
Warrants                              
Class of Stock [Line Items]                              
Warrant, term                             3 years
Number of warrants (in shares)       3,840,000                     2,160,000
Additional warrant shares registered (as a percent)                       250.00%      
Common Stock | Warrants                              
Class of Stock [Line Items]                              
Exercise price per share (in dollars per share)       $ 2.25                     $ 4.00
At Market Issuance Sales Agreement                              
Class of Stock [Line Items]                              
Common stock, par value (in dollars per share)   $ 0.0001                          
Aggregate offering price   $ 100,000 $ 25,000                        
Aggregate net proceeds received $ 200,000                 $ 3,149          
Proceeds from sales of common stock, net of issuance costs               $ 3,817   3,052          
Payments of stock offering costs               86   97          
Additional transaction costs           $ 163 $ 147 $ 163 $ 163 147          
Gross proceeds of sales price per share (as a percent)     3.00%                        
Proceeds not received related to sales of common stock                   $ 97          
At Market Issuance Sales Agreement | Common Stock                              
Class of Stock [Line Items]                              
Sales of common stock, net of issuance costs (in shares)                   2,730,654          
At Market Issuance Sales Agreement | Common Stock                              
Class of Stock [Line Items]                              
Sales of common stock, net of issuance costs (in shares)               2,193,460              
At-The-Market Offering                              
Class of Stock [Line Items]                              
Proceeds from sales of common stock, net of issuance costs         $ 5,058                    
Payments of stock offering costs         $ 156                    
At-The-Market Offering | Common Stock                              
Class of Stock [Line Items]                              
Sales of common stock, net of issuance costs (in shares)         2,670,121                    
Underwritten Offering                              
Class of Stock [Line Items]                              
Proceeds from sales of common stock, net of issuance costs       $ 24,722                      
Payments of stock offering costs       1,740                      
Additional transaction costs       $ 75                      
Underwritten Offering | Common Stock                              
Class of Stock [Line Items]                              
Sales of common stock, net of issuance costs (in shares)       11,761,111                      
Exercise price per share (in dollars per share)       $ 2.25