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Stockholders' Equity - Additional Information (Details)
1 Months Ended 3 Months Ended 6 Months Ended 11 Months Ended 14 Months Ended
Aug. 05, 2021
USD ($)
shares
May 22, 2020
USD ($)
May 31, 2020
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
vote
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Aug. 04, 2021
USD ($)
Dec. 31, 2021
$ / shares
shares
Subsidiary, Sale of Stock [Line Items]                    
Common stock, authorized (in shares) | shares       150,000,000   150,000,000   150,000,000   150,000,000
Common stock, par value (in dollars per share) | $ / shares       $ 0.0001   $ 0.0001   $ 0.0001   $ 0.0001
Number of votes entitled by each share of common stock holder | vote           1        
Dividends, declared or paid | $           $ 0        
Capital common shares reserved for future issuance (in shares) | shares       27,456,622   27,456,622   27,456,622   32,934,776
Common stock, issued (in shares) | shares       55,384,868   55,384,868   55,384,868   46,958,776
2020 ATM Facility                    
Subsidiary, Sale of Stock [Line Items]                    
Common stock, issued (in shares) | shares         556,642   2,233,760      
Net proceeds from issuance of common stock | $         $ 4,266,000   $ 18,982,000   $ 19,479,000  
Common stock, issued (in shares) | shares 2,303,545                  
2020 Amended Sales Agreement                    
Subsidiary, Sale of Stock [Line Items]                    
Common stock, issued (in shares) | shares       1,025,935   8,363,186        
Net proceeds from issuance of common stock | $       $ 2,110,000   $ 22,666,000        
2021 ATM Facility                    
Subsidiary, Sale of Stock [Line Items]                    
Common stock, issued (in shares) | shares               9,796,813    
Net proceeds from issuance of common stock | $               $ 32,711,000    
Maximum | 2020 ATM Facility                    
Subsidiary, Sale of Stock [Line Items]                    
Gross proceeds from issuance of common stock | $   $ 50,000,000 $ 50,000,000              
Maximum | 2020 Amended Sales Agreement                    
Subsidiary, Sale of Stock [Line Items]                    
Gross proceeds from issuance of common stock | $ $ 80,000,000                  
Maximum | 2021 ATM Facility                    
Subsidiary, Sale of Stock [Line Items]                    
Gross proceeds from issuance of common stock | $ $ 80,000,000