v3.22.2.2
Condensed Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Balance at Dec. 31, 2020 $ 25,072 $ 15 $ 204,166 $ (179,109)
Balance (in Shares) at Dec. 31, 2020   15,478,787    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 343   343  
Issuance of common stock under equity plans 14   14  
Issuance of common stock under equity plans (in shares)   2,024    
Issuance of common stock, net of offering costs (8)   (8)  
Net loss (5,064)     (5,064)
Balance at Mar. 31, 2021 20,357 $ 15 204,515 (184,173)
Balance (in Shares) at Mar. 31, 2021   15,480,811    
Balance at Dec. 31, 2020 25,072 $ 15 204,166 (179,109)
Balance (in Shares) at Dec. 31, 2020   15,478,787    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Net loss (20,955)      
Balance at Sep. 30, 2021 18,863 $ 19 218,908 (200,064)
Balance (in Shares) at Sep. 30, 2021   19,430,369    
Balance at Mar. 31, 2021 20,357 $ 15 204,515 (184,173)
Balance (in Shares) at Mar. 31, 2021   15,480,811    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 417   417  
Issuance of common stock under equity plans 80 $ 1 79  
Issuance of common stock under equity plans (in shares)   21,153    
Net loss (8,939)     (8,939)
Balance at Jun. 30, 2021 11,915 $ 16 205,011 (193,112)
Balance (in Shares) at Jun. 30, 2021   15,501,964    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 501   501  
Issuance of common stock under equity plans 7   7  
Issuance of common stock under equity plans (in shares)   1,703    
Issuance of common stock, net of offering costs 13,392 $ 3 13,389  
Issuances of common stock, net of offering costs (in shares)   3,926,702    
Net loss (6,952)     (6,952)
Balance at Sep. 30, 2021 18,863 $ 19 218,908 (200,064)
Balance (in Shares) at Sep. 30, 2021   19,430,369    
Balance at Dec. 31, 2021 11,714 $ 19 219,471 (207,776)
Balance (in Shares) at Dec. 31, 2021   19,445,903    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 548   548  
Issuances of common stock, net of offering costs (in shares)   10,389    
Issuance of common stock upon cashless exercise of pre-funded warrants 1 $ 1    
Issuances of common stock upon cashless exercise of pre-funded warrants (in shares)   170,668    
Net loss (9,473)     (9,473)
Balance at Mar. 31, 2022 2,790 $ 20 220,019 (217,249)
Balance (in Shares) at Mar. 31, 2022   19,626,960    
Balance at Dec. 31, 2021 11,714 $ 19 219,471 (207,776)
Balance (in Shares) at Dec. 31, 2021   19,445,903    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Issuances of common stock upon cashless exercise of pre-funded warrants (in shares)   170,668    
Net loss (22,138)      
Balance at Sep. 30, 2022 (2,635) $ 22 227,257 (229,914)
Balance (in Shares) at Sep. 30, 2022   21,749,924    
Balance at Mar. 31, 2022 2,790 $ 20 220,019 (217,249)
Balance (in Shares) at Mar. 31, 2022   19,626,960    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 535   535  
Issuance of common stock under equity plans 49   49  
Issuance of common stock under equity plans (in shares)   23,461    
Issuances of common stock upon cashless exercise of pre-funded warrants (in shares)   0    
Issuance of common stock and warrants, net of offering costs 5,398 $ 1 5,397  
Issuances of common stock and warrants, net of offering costs (in shares)   1,771,377    
Net loss (6,230)     (6,230)
Balance at Jun. 30, 2022 2,542 $ 21 226,000 (223,479)
Balance (in Shares) at Jun. 30, 2022   21,421,798    
Increase (Decrease) in Shareholders' Equity (Deficit)        
Stock-based compensation expense 481   481  
Issuance of common stock, net of offering costs 518 $ 1 517  
Issuances of common stock, net of offering costs (in shares)   328,126    
Issuance of common stock warrants in connection with debt financing 259   259  
Net loss (6,435)     (6,435)
Balance at Sep. 30, 2022 $ (2,635) $ 22 $ 227,257 $ (229,914)
Balance (in Shares) at Sep. 30, 2022   21,749,924