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Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($)
$ in Thousands
Total
Follow-On Offering
At-The-Market Offering
Common Stock
Common Stock
Follow-On Offering
Common Stock
At-The-Market Offering
Additional Paid-In Capital
Additional Paid-In Capital
Follow-On Offering
Additional Paid-In Capital
At-The-Market Offering
Accumulated Deficit
Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2021       45,300,514              
Beginning balance at Dec. 31, 2021 $ 250,812     $ 5     $ 567,598     $ (316,615) $ (176)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Stock-based compensation expense 7,886           7,886        
Issuance of common stock from at-the-market public offerings, net of issuance and offering costs (in shares)       70,410              
Issuance of common stock from at-the-market public offerings, net of issuance costs 1,368           1,368        
Vesting of restricted stock awards (in shares)       81,130              
Shares withheld for taxes for vesting of restricted stock units (in shares)       (17,850)              
Shares withheld for taxes for vesting of restricted stock units (230)           (230)        
Issuance of common stock upon exercise of stock options (in shares)       72,278              
Issuance of common stock upon exercise of stock options 333           333        
Change in unrealized loss on marketable securities, net of tax (430)                   (430)
Net loss (68,717)                 (68,717)  
Ending balance (in shares) at Mar. 31, 2022       45,506,482              
Ending balance at Mar. 31, 2022 191,022     $ 5     576,955     (385,332) (606)
Beginning balance (in shares) at Dec. 31, 2021       45,300,514              
Beginning balance at Dec. 31, 2021 250,812     $ 5     567,598     (316,615) (176)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Change in unrealized loss on marketable securities, net of tax (504)                    
Net loss (128,911)                    
Ending balance (in shares) at Jun. 30, 2022       45,575,406              
Ending balance at Jun. 30, 2022 138,869     $ 5     585,070     (445,526) (680)
Beginning balance (in shares) at Mar. 31, 2022       45,506,482              
Beginning balance at Mar. 31, 2022 191,022     $ 5     576,955     (385,332) (606)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Stock-based compensation expense 7,611           7,611        
Issuance of common stock under employee stock purchase plan (in shares)       51,645              
Issuance of common stock under employee stock purchase plan 454           454        
Vesting of restricted stock awards (in shares)       6,361              
Shares withheld for taxes for vesting of restricted stock units (in shares)       (2,225)              
Shares withheld for taxes for vesting of restricted stock units (17)           (17)        
Issuance of common stock upon exercise of stock options (in shares)       13,143              
Issuance of common stock upon exercise of stock options 67           67        
Change in unrealized loss on marketable securities, net of tax (74)                   (74)
Net loss (60,194)                 (60,194)  
Ending balance (in shares) at Jun. 30, 2022       45,575,406              
Ending balance at Jun. 30, 2022 $ 138,869     $ 5     585,070     (445,526) (680)
Beginning balance (in shares) at Dec. 31, 2022 49,382,453     49,382,453              
Beginning balance at Dec. 31, 2022 $ 76,106     $ 5     606,918     (530,644) (173)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Stock-based compensation expense 7,593           7,593        
Issuance of common stock from at-the-market public offerings, net of issuance and offering costs (in shares)       8,403,809              
Issuance of common stock from at-the-market public offerings, net of issuance costs 18,096     $ 1     18,095        
Vesting of restricted stock awards (in shares)       172,798              
Shares withheld for taxes for vesting of restricted stock units (in shares)       (43,317)              
Shares withheld for taxes for vesting of restricted stock units (127)           (127)        
Issuance of common stock upon exercise of stock options (in shares)       44,644              
Issuance of common stock upon exercise of stock options 101           101        
Change in unrealized loss on marketable securities, net of tax 154                   154
Net loss (37,455)                 (37,455)  
Ending balance (in shares) at Mar. 31, 2023       57,960,387              
Ending balance at Mar. 31, 2023 $ 64,468     $ 6     632,580     (568,099) (19)
Beginning balance (in shares) at Dec. 31, 2022 49,382,453     49,382,453              
Beginning balance at Dec. 31, 2022 $ 76,106     $ 5     606,918     (530,644) (173)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Issuance of common stock upon exercise of stock options (in shares) 44,644                    
Change in unrealized loss on marketable securities, net of tax $ 173                    
Net loss $ (71,767)                    
Ending balance (in shares) at Jun. 30, 2023 128,540,223     128,540,223              
Ending balance at Jun. 30, 2023 $ 105,625     $ 13     708,023     (602,411) 0
Beginning balance (in shares) at Mar. 31, 2023       57,960,387              
Beginning balance at Mar. 31, 2023 64,468     $ 6     632,580     (568,099) (19)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Stock-based compensation expense 5,775           5,775        
Issuance of common stock from at-the-market public offerings, net of issuance and offering costs (in shares)         64,449,690 5,888,128          
Issuance of common stock from at-the-market public offerings, net of issuance costs   $ 63,439 $ 6,032   $ 6 $ 1   $ 63,433 $ 6,031    
Issuance of common stock under employee stock purchase plan (in shares)       234,947              
Issuance of common stock under employee stock purchase plan 208           208        
Vesting of restricted stock awards (in shares)       10,813              
Shares withheld for taxes for vesting of restricted stock units (in shares)       (3,742)              
Shares withheld for taxes for vesting of restricted stock units (4)           (4)        
Change in unrealized loss on marketable securities, net of tax 19                   19
Net loss $ (34,312)                 (34,312)  
Ending balance (in shares) at Jun. 30, 2023 128,540,223     128,540,223              
Ending balance at Jun. 30, 2023 $ 105,625     $ 13     $ 708,023     $ (602,411) $ 0