Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Stockholders' Equity (Unaudited)

v3.21.2
Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Beginning balance at Dec. 31, 2019 $ 138,321   $ 171,280   $ (32,959)
Beginning balance, Shares at Dec. 31, 2019   24,034,022      
Stock-based compensation 873   873    
Net loss (7,485)       (7,485)
Ending balance at Mar. 31, 2020 131,709   172,153   (40,444)
Ending balance, Shares at Mar. 31, 2020   24,034,022      
Beginning balance at Dec. 31, 2019 138,321   171,280   (32,959)
Beginning balance, Shares at Dec. 31, 2019   24,034,022      
Net loss (24,030)        
Ending balance at Sep. 30, 2020 117,505   174,482 $ 12 (56,989)
Ending balance, Shares at Sep. 30, 2020   24,055,467      
Beginning balance at Mar. 31, 2020 131,709   172,153   (40,444)
Beginning balance, Shares at Mar. 31, 2020   24,034,022      
Stock-based compensation 1,067   1,067    
Net unrealized gains (losses) on available-for-sale securities 11     11  
Net loss (8,152)       (8,152)
Ending balance at Jun. 30, 2020 124,635   173,220 11 (48,596)
Ending balance, Shares at Jun. 30, 2020   24,034,022      
Stock-based compensation 1,127   1,127    
Issuance of common stock in connection with exercise of stock options 135   135    
Issuance of common stock in connection with exercise of stock options, Shares   21,445      
Net unrealized gains (losses) on available-for-sale securities 1     1  
Net loss (8,393)       (8,393)
Ending balance at Sep. 30, 2020 117,505   174,482 12 (56,989)
Ending balance, Shares at Sep. 30, 2020   24,055,467      
Beginning balance at Dec. 31, 2020 $ 109,544   175,836 6 (66,298)
Beginning balance, Shares at Dec. 31, 2020 24,062,775 24,062,775      
Stock-based compensation $ 1,310   1,310    
Common stock issuance, net of issuance costs 2,165   2,165    
Common stock issuance, net of issuance costs, Shares   194,189      
Net unrealized gains (losses) on available-for-sale securities (3)     (3)  
Net loss (9,702)       (9,702)
Ending balance at Mar. 31, 2021 103,314   179,311 3 (76,000)
Ending balance, Shares at Mar. 31, 2021   24,256,964      
Beginning balance at Dec. 31, 2020 $ 109,544   175,836 6 (66,298)
Beginning balance, Shares at Dec. 31, 2020 24,062,775 24,062,775      
Net loss $ (32,401)        
Ending balance at Sep. 30, 2021 $ 116,615   215,314   (98,699)
Ending balance, Shares at Sep. 30, 2021 27,731,638 27,731,638      
Beginning balance at Mar. 31, 2021 $ 103,314   179,311 3 (76,000)
Beginning balance, Shares at Mar. 31, 2021   24,256,964      
Stock-based compensation 1,385   1,385    
Common stock issuance, net of issuance costs 7,665   7,665    
Common stock issuance, net of issuance costs, Shares   701,469      
Issuance of common stock in connection with exercise of stock options 60   60    
Issuance of common stock in connection with exercise of stock options, Shares   9,563      
Issuance of common stock under employee stock purchase plan 46   46    
Issuance of common stock under employee stock purchase plan, Shares   4,834      
Net unrealized gains (losses) on available-for-sale securities (2)     (2)  
Net loss (11,139)       (11,139)
Ending balance at Jun. 30, 2021 101,329   188,467 1 (87,139)
Ending balance, Shares at Jun. 30, 2021   24,972,830      
Stock-based compensation 1,508   1,508    
Common stock issuance, net of issuance costs 24,880   24,880    
Common stock issuance, net of issuance costs, Shares   2,710,347      
Issuance of common stock in connection with exercise of stock options 459   459    
Issuance of common stock in connection with exercise of stock options, Shares   48,461      
Net unrealized gains (losses) on available-for-sale securities (1)     $ (1)  
Net loss (11,560)       (11,560)
Ending balance at Sep. 30, 2021 $ 116,615   $ 215,314   $ (98,699)
Ending balance, Shares at Sep. 30, 2021 27,731,638 27,731,638