Annual report pursuant to Section 13 and 15(d)

Statements of Stockholders' Equity

v3.22.4
Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Beginning balance at Dec. 31, 2020 $ 109,544   $ 175,836 $ 6 $ (66,298)
Beginning balance, Shares at Dec. 31, 2020   24,062,775      
Common stock issuance 48,253   48,253    
Common stock issuance, Shares   4,792,562      
Issuance of common stock in connection with exercise of stock options 579   579    
Issuance of common stock in connection with exercise of stock options, Shares   64,292      
Issuance of common stock under employee stock purchase plan 71   71    
Issuance of common stock under employee stock purchase plan, Shares   7,500      
Net unrealized gains (losses) on available-for-sale securities (6)     (6)  
Stock-based compensation 5,804   5,804    
Net loss (46,289)       (46,289)
Ending balance at Dec. 31, 2021 $ 117,956   230,543   (112,587)
Ending balance, Shares at Dec. 31, 2021 28,927,129 28,927,129      
Issuance of common stock and pre-funded warrants for the purchase of common stock, net of issuance costs of $2,438 $ 32,562   32,562    
Issuance of common stock and pre-funded warrants for the purchase of common stock, net of issuance costs of $2,438, Shares 126,815        
Issuance of common stock upon exercise of pre-funded warrants, Shares   271,739      
Issuance of common stock in connection with exercise of stock options $ 51   51    
Issuance of common stock in connection with exercise of stock options, Shares   50,000      
Issuance of common stock under employee stock purchase plan 76   76    
Issuance of common stock under employee stock purchase plan, Shares   69,451      
Net unrealized gains (losses) on available-for-sale securities (47)     (47)  
Stock-based compensation 6,897   6,897    
Net loss (52,975)       (52,975)
Ending balance at Dec. 31, 2022 $ 104,520   $ 270,129 $ (47) $ (165,562)
Ending balance, Shares at Dec. 31, 2022 29,445,134 29,445,134