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Condensed Statements of Changes in Stockholders' Deficit - USD ($)
$ in Thousands
Total
Public Equity Offering - ATM
Public Equity Offering
Private equity
Warrant exercises
Public equity
Common Stock
Common Stock
Public Equity Offering - ATM
Common Stock
Public Equity Offering
Common Stock
Warrant exercises
Common Stock
Public equity
Additional Paid-in Capital
Additional Paid-in Capital
Public Equity Offering - ATM
Additional Paid-in Capital
Public Equity Offering
Additional Paid-in Capital
Private equity
Additional Paid-in Capital
Warrant exercises
Additional Paid-in Capital
Public equity
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022             54,827,734                      
Beginning balance at Dec. 31, 2022 $ (118,554)           $ 55         $ 192,598           $ (311,207)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Common Stock issued under public equity offering (in shares)             1,078,622                      
Common Stock issued under public equity offering 993           $ 1         992            
Costs of common stock issued under public equity offering-ATM (77)                     (77)            
Share-based compensation expense 344                     344            
Vested restricted stock units, net (in shares)             16,005                      
Vested restricted stock units, net (8)                     (8)            
Other (1)                     (1)            
Net (loss) income 8,068                                 8,068
Ending balance (in shares) at Mar. 31, 2023             55,922,361                      
Ending balance at Mar. 31, 2023 (109,235)           $ 56         193,848           (303,139)
Beginning balance (in shares) at Dec. 31, 2022             54,827,734                      
Beginning balance at Dec. 31, 2022 (118,554)           $ 55         192,598           (311,207)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net (loss) income 2,276                                  
Ending balance (in shares) at Jun. 30, 2023             61,615,959                      
Ending balance at Jun. 30, 2023 (106,651)           $ 62         202,218           (308,931)
Beginning balance (in shares) at Dec. 31, 2022             54,827,734                      
Beginning balance at Dec. 31, 2022 (118,554)           $ 55         192,598           (311,207)
Ending balance (in shares) at Dec. 31, 2023             68,533,085                      
Ending balance at Dec. 31, 2023 (106,487)           $ 69         212,521           (319,077)
Beginning balance (in shares) at Mar. 31, 2023             55,922,361                      
Beginning balance at Mar. 31, 2023 (109,235)           $ 56         193,848           (303,139)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Common Stock issued under public equity offering (in shares)             1,981,937     3,689,452                
Common Stock issued under public equity offering 4,409       $ 3,542   $ 2     $ 4   4,407       $ 3,538    
Costs of common stock issued under public equity offering-ATM (235)                     (235)            
Shares issued under employee stock purchase plan (in shares)             18,699                      
Shares issued under employee stock purchase plan 31                     31            
Share-based compensation expense 631                     631            
Vested restricted stock units, net (in shares)             3,510                      
Vested restricted stock units, net (3)                     (3)            
Other 1                     1            
Net (loss) income (5,792)                                 (5,792)
Ending balance (in shares) at Jun. 30, 2023             61,615,959                      
Ending balance at Jun. 30, 2023 (106,651)           $ 62         202,218           (308,931)
Beginning balance (in shares) at Dec. 31, 2023             68,533,085                      
Beginning balance at Dec. 31, 2023 (106,487)           $ 69         212,521           (319,077)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Common Stock issued under public equity offering (in shares)               4,557,220 16,666,667                  
Common Stock issued under public equity offering   $ 12,385 $ 75,000         $ 4 $ 17       $ 12,381 $ 74,983        
Costs of common stock issued under public equity offering-ATM   $ (410) $ (5,187)                   $ (410) $ (5,187)        
Share-based compensation expense 1,580                     1,580            
Vested restricted stock units, net (in shares)             490,359                      
Vested restricted stock units, net $ (893)                     (893)            
Options exercises, net (in shares) 231,400                                  
Options exercised, net $ 539                                  
Net (loss) income (12,828)                                 (12,828)
Ending balance (in shares) at Mar. 31, 2024             90,478,731                      
Ending balance at Mar. 31, 2024 (36,301)           $ 90         295,514           (331,905)
Beginning balance (in shares) at Dec. 31, 2023             68,533,085                      
Beginning balance at Dec. 31, 2023 (106,487)           $ 69         212,521           (319,077)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net (loss) income (15,573)                                  
Ending balance (in shares) at Jun. 30, 2024             91,059,760                      
Ending balance at Jun. 30, 2024 (35,479)           $ 91         299,080           (334,650)
Beginning balance (in shares) at Mar. 31, 2024             90,478,731                      
Beginning balance at Mar. 31, 2024 (36,301)           $ 90         295,514           (331,905)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Common Stock issued under public equity offering (in shares)                     559,801              
Common Stock issued under public equity offering           $ 2,520         $ 1           $ 2,519  
Costs of common stock issued under public equity offering-ATM       $ (158)   $ (359)                 $ (158)   $ (359)  
Shares issued under employee stock purchase plan (in shares)             17,716                      
Shares issued under employee stock purchase plan 46                     46            
Share-based compensation expense 1,523                     1,523            
Vested restricted stock units, net (in shares)             3,512                      
Vested restricted stock units, net (5)                     (5)            
Net (loss) income (2,745)                                 (2,745)
Ending balance (in shares) at Jun. 30, 2024             91,059,760                      
Ending balance at Jun. 30, 2024 $ (35,479)           $ 91         $ 299,080           $ (334,650)