Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Stockholders' Equity (Unaudited)

v3.22.2.2
Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
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      
Stock-based compensation 1,310   1,310    
Common stock issuance 2,165   2,165    
Common stock issuance, Shares   194,189      
Net unrealized 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      
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      
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 7,665   7,665    
Common stock issuance, Shares   701,469      
Net unrealized losses on available-for-sale securities (2)     (2)  
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 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 24,880   24,880    
Common stock issuance, Shares   2,710,347      
Net unrealized losses on available-for-sale securities (1)     (1)  
Issuance of common stock in connection with exercise of stock options, Shares   48,461      
Issuance of common stock under employee stock purchase plan 459   459    
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      
Beginning balance at Dec. 31, 2021 $ 117,956   230,543   (112,587)
Beginning balance, Shares at Dec. 31, 2021 28,927,129 28,927,129      
Stock-based compensation $ 1,811   1,811    
Net unrealized losses on available-for-sale securities (152)     (152)  
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      
Net loss (12,946)       (12,946)
Ending balance at Mar. 31, 2022 106,720   232,405 (152) (125,533)
Ending balance, Shares at Mar. 31, 2022   28,977,129      
Beginning balance at Dec. 31, 2021 $ 117,956   230,543   (112,587)
Beginning balance, Shares at Dec. 31, 2021 28,927,129 28,927,129      
Net loss $ (37,283)        
Ending balance at Sep. 30, 2022 $ 85,874   235,953 (209) (149,870)
Ending balance, Shares at Sep. 30, 2022 29,013,995 29,013,995      
Beginning balance at Mar. 31, 2022 $ 106,720   232,405 (152) (125,533)
Beginning balance, Shares at Mar. 31, 2022   28,977,129      
Stock-based compensation 1,777   1,777    
Net unrealized losses on available-for-sale securities (97)     (97)  
Issuance of common stock under employee stock purchase plan 40   40    
Issuance of common stock under employee stock purchase plan, Shares   36,866      
Net loss (12,910)       (12,910)
Ending balance at Jun. 30, 2022 95,530   234,222 (249) (138,443)
Ending balance, Shares at Jun. 30, 2022   29,013,995      
Stock-based compensation 1,731   1,731    
Net unrealized losses on available-for-sale securities 40     40  
Net loss (11,427)       (11,427)
Ending balance at Sep. 30, 2022 $ 85,874   $ 235,953 $ (209) $ (149,870)
Ending balance, Shares at Sep. 30, 2022 29,013,995 29,013,995