Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Stockholders' Equity (Unaudited)

v3.22.2
Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Balances at Dec. 31, 2020 $ 332,048 $ 46 $ 559,746 $ 129 $ (227,873)
Common Stock Balance, Shares at Dec. 31, 2020   45,752,116      
Exercise of common stock options 1,360   1,360    
Exercise of common stock options, Shares   129,161      
Issuance of common stock under Employee Stock Purchase Plan 873   873    
Issuance of common stock under Employee Stock Purchase Plan, Shares   93,346      
Vesting of restricted stock units, Shares   147,349      
Stock transaction associated with taxes withheld on restricted stock units (407)   (407)    
Stock transaction associated with taxes withheld on restricted stock units,Shares   (18,366)      
Stock-based compensation expense 3,952   3,952    
Net unrealized gain (loss) on available-for-sale securities (129)     (129)  
Net loss (30,359)       (30,359)
Balances at Mar. 31, 2021 307,338 $ 46 565,524   (258,232)
Common Stock Balance, Shares at Mar. 31, 2021   46,103,606      
Balances at Dec. 31, 2020 332,048 $ 46 559,746 129 (227,873)
Common Stock Balance, Shares at Dec. 31, 2020   45,752,116      
Net unrealized gain (loss) on available-for-sale securities (174)        
Net loss (36,511)        
Balances at Jun. 30, 2021 307,500 $ 46 571,883 (45) (264,384)
Common Stock Balance, Shares at Jun. 30, 2021   46,141,454      
Balances at Mar. 31, 2021 307,338 $ 46 565,524   (258,232)
Common Stock Balance, Shares at Mar. 31, 2021   46,103,606      
Exercise of common stock options 452   452    
Exercise of common stock options, Shares   40,902      
Return and retirement of common stocks   6,804      
Vesting of restricted stock units, Shares   3,750      
Stock-based compensation expense 5,907   5,907    
Net unrealized gain (loss) on available-for-sale securities (45)     (45)  
Net loss (6,152)       (6,152)
Balances at Jun. 30, 2021 307,500 $ 46 571,883 (45) (264,384)
Common Stock Balance, Shares at Jun. 30, 2021   46,141,454      
Balances at Dec. 31, 2021 252,564 $ 46 586,243 (314) (333,411)
Common Stock Balance, Shares at Dec. 31, 2021   46,327,131      
Exercise of common stock options 180   180    
Exercise of common stock options, Shares   32,497      
Issuance of common stock under Employee Stock Purchase Plan 1,006   1,006    
Issuance of common stock under Employee Stock Purchase Plan, Shares   146,165      
Vesting of restricted stock units   $ 1 (1)    
Vesting of restricted stock units, Shares   465,731      
Stock transaction associated with taxes withheld on restricted stock units (404)   (404)    
Stock transaction associated with taxes withheld on restricted stock units,Shares   (44,665)      
Stock-based compensation expense 6,974   6,974    
Net unrealized gain (loss) on available-for-sale securities (838)     (838)  
Net loss (39,110)       (39,110)
Balances at Mar. 31, 2022 220,372 $ 47 593,998 (1,152) (372,521)
Common Stock Balance, Shares at Mar. 31, 2022   46,926,859      
Balances at Dec. 31, 2021 252,564 $ 46 586,243 (314) (333,411)
Common Stock Balance, Shares at Dec. 31, 2021   46,327,131      
Net unrealized gain (loss) on available-for-sale securities (1,042)        
Net loss (65,122)        
Balances at Jun. 30, 2022 209,058 $ 49 608,898 (1,356) (398,533)
Common Stock Balance, Shares at Jun. 30, 2022   48,674,232      
Balances at Mar. 31, 2022 220,372 $ 47 593,998 (1,152) (372,521)
Common Stock Balance, Shares at Mar. 31, 2022   46,926,859      
Exercise of common stock options 2   2    
Exercise of common stock options, Shares   298      
Vesting of restricted stock units, Shares   31,375      
Stock transaction associated with taxes withheld on restricted stock units (9)   (9)    
Stock transaction associated with taxes withheld on restricted stock units,Shares   (1,296)      
Stock-based compensation expense 6,696   6,696    
Issuance of common stock in connection with At-The-Market sale, net of issuance costs 8,213 $ 2 8,211    
Issuance of common stock in connection with At-The-Market sale, net of issuance costs, Shares   1,716,996      
Net unrealized gain (loss) on available-for-sale securities (204)     (204)  
Net loss (26,012)       (26,012)
Balances at Jun. 30, 2022 $ 209,058 $ 49 $ 608,898 $ (1,356) $ (398,533)
Common Stock Balance, Shares at Jun. 30, 2022   48,674,232