v3.22.4
Stockholders’ Equity and Stock-Based Compensation - Additional Information (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
Mar. 09, 2023
USD ($)
Feb. 15, 2023
installment
$ / shares
shares
Nov. 21, 2022
shares
Oct. 04, 2022
USD ($)
$ / shares
Oct. 06, 2021
shares
Mar. 23, 2021
USD ($)
Jan. 25, 2021
USD ($)
$ / shares
shares
Jan. 12, 2021
USD ($)
$ / shares
shares
Aug. 31, 2022
USD ($)
$ / shares
shares
Oct. 31, 2021
$ / shares
shares
Jan. 31, 2021
USD ($)
$ / shares
shares
Aug. 31, 2018
shares
Feb. 28, 2023
USD ($)
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Aug. 31, 2020
USD ($)
shares
Class of Stock [Line Items]                                  
Common stock, shares authorized (in shares)                             400,000,000 400,000,000  
Common stock, par value (in dollars per share) | $ / shares                             $ 0.0001 $ 0.0001  
Preferred stock, shares authorized (in shares)                             10,000,000 10,000,000  
Preferred stock, par value (in dollars per share) | $ / shares                             $ 0.0001 $ 0.0001  
Number of shares issued (in shares)             38,300,000 33,400,000 6,600,000   6,300,000     2,300,000      
Offering price per unit (in dollars per share) | $ / shares             $ 6.00 $ 3.05 $ 3.46   $ 2.68     $ 6.15      
Offering expenses on sale of common stock | $               $ 300             $ 578 $ 1,704  
Gross proceeds | $             $ 230,000 $ 101,800 $ 23,100   $ 16,900     $ 13,900      
Debt issuance costs | $             $ 400   $ 600   $ 400     $ 600      
Issuance and sale of stock | $                                 $ 125,000
Intrinsic value of stock options exercised | $                             580 $ 2,500  
Unrecognized compensation cost | $                             $ 31,800    
Unrecognized compensation cost related to outstanding employee options, period for recognition                             2 years 8 months 12 days    
Issue stock for employee stock purchase plan (in shares)                             100,000    
Granted (in shares)                             16,148,000    
Granted (in dollars per share) | $ / shares                             $ 2.12    
Subsequent Event                                  
Class of Stock [Line Items]                                  
Number of shares issued (in shares)                         9,500,000        
Offering price per unit (in dollars per share) | $ / shares                         $ 1.60        
Gross proceeds | $                         $ 15,200        
Debt issuance costs | $                         $ 400        
Executive Officer | Subsequent Event                                  
Class of Stock [Line Items]                                  
Granted (in shares)   3,300,000                              
Granted (in dollars per share) | $ / shares   $ 1.63                              
Option                                  
Class of Stock [Line Items]                                  
Vesting period                             4 years    
Option | Executive Officer | Subsequent Event                                  
Class of Stock [Line Items]                                  
Vesting period   48 months                              
Restricted Stock                                  
Class of Stock [Line Items]                                  
Grant date fair value (in dollars per share) | $ / shares       $ 2.04                          
Incremental compensation cost | $       $ 15,800                          
Restricted Stock | Vesting on October 18, 2022                                  
Class of Stock [Line Items]                                  
Granted vesting percentage                   33.00%              
Restricted Stock | Vesting every three months following October 18, 2022                                  
Class of Stock [Line Items]                                  
Granted vesting percentage                   8.00%              
Restricted Stock | BioDiscovery                                  
Class of Stock [Line Items]                                  
Granted (in shares)                   5,000,000              
Granted (in dollars per share) | $ / shares                   $ 5.20              
RSUs                                  
Class of Stock [Line Items]                                  
Vesting period                             2 years    
Granted (in shares)                             0    
Granted (in dollars per share) | $ / shares                               $ 0  
Grant date fair value (in dollars per share) | $ / shares                             $ 4.74 4.74  
Total intrinsic value | $                             $ 1,300    
Weighted average remaining contractual term                             4 months 24 days    
RSUs | Executive Officer | Subsequent Event                                  
Class of Stock [Line Items]                                  
Vesting period   48 months                              
Granted (in shares)   700,000                              
Granted (in dollars per share) | $ / shares   $ 1.63                              
Number of successive annual installments | installment   3                              
PSUs                                  
Class of Stock [Line Items]                                  
Vesting period                             4 years    
Granted (in shares)                             0    
Granted (in dollars per share) | $ / shares                               0  
Grant date fair value (in dollars per share) | $ / shares                             $ 4.74 4.74  
Weighted average remaining contractual term                             2 years 4 months 24 days    
Common Stock                                  
Class of Stock [Line Items]                                  
Issuance and sale of stock | $                                 $ 40,000
2018 Equity Incentive Plan                                  
Class of Stock [Line Items]                                  
Common stock initially reserved for future issuance (in shares)                       1,500,000          
Number of new shares issued under plan (in shares)                       1,000,000          
Incremental rate at which the shares reserved for issuance increase (in shares)                             5.00%    
2018 Equity Incentive Plan | Authorized for future stock awards, option grants, or employee stock purchase program                                  
Class of Stock [Line Items]                                  
Common stock initially reserved for future issuance (in shares)                             8,600,000    
2020 Inducement Plan | Authorized for future stock awards, option grants, or employee stock purchase program                                  
Class of Stock [Line Items]                                  
Common stock initially reserved for future issuance (in shares)                             2,100,000    
2020 Inducement Plan | Common Stock                                  
Class of Stock [Line Items]                                  
Common stock reserved for issuance (in shares)     4,100,000                           2,100,000
Additional common stock reserved for issuance (in shares)     1,000,000   1,000,000                        
Cowen                                  
Class of Stock [Line Items]                                  
Aggregate offering price | $           $ 350,000                      
Commission fee           3.00%                      
Cowen | Subsequent Event                                  
Class of Stock [Line Items]                                  
Aggregate offering price | $ $ 200,000                                
Underwriter Option                                  
Class of Stock [Line Items]                                  
Number of shares issued (in shares)             5,000,000 4,400,000                  
Offering price per unit (in dollars per share) | $ / shares             $ 5.64 $ 2.87                  
2018 Employee Stock Purchase Plan                                  
Class of Stock [Line Items]                                  
Common stock initially reserved for future issuance (in shares)                       200,000          
Incremental rate at which the shares reserved for issuance increase (in shares)                       1.00%          
Vested and exercisable (in dollars per share) | $ / shares                             $ 1.35 $ 4.35  
Vested and expected to vest                             10 years    
2018 Employee Stock Purchase Plan | Maximum                                  
Class of Stock [Line Items]                                  
Common stock initially reserved for future issuance (in shares)                       220,000