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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
At The Market Offering
Common Stock
At The Market Offering
Additional Paid-in Capital
At The Market Offering
Equity Line Financing
Common Stock
Equity Line Financing
Additional Paid-in Capital
Equity Line Financing
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Loss
Total
Beginning Balances at Dec. 31, 2021             $ 22 $ 145,453 $ (94,004) $ (198) $ 51,273
Beginning Balances (in shares) at Dec. 31, 2021             22,230,032        
Shareholders' Equity                      
Exercise of common stock options               303     303
Exercise of common stock options (in shares)             348,552        
Equity-based compensation               1,001     1,001
Other comprehensive gain                   1 1
Net loss                 (3,838)   (3,838)
Ending Balances at Mar. 31, 2022             $ 22 146,757 (97,842) (197) 48,740
Ending Balances (in shares) at Mar. 31, 2022             22,578,584        
Beginning Balances at Dec. 31, 2021             $ 22 145,453 (94,004) (198) $ 51,273
Beginning Balances (in shares) at Dec. 31, 2021             22,230,032        
Shareholders' Equity                      
Exercise of common stock options (in shares)                     1,739,465
Net loss                     $ (16,215)
Ending Balances at Sep. 30, 2022             $ 24 149,716 (110,219) (201) 39,320
Ending Balances (in shares) at Sep. 30, 2022             23,969,497        
Beginning Balances at Mar. 31, 2022             $ 22 146,757 (97,842) (197) 48,740
Beginning Balances (in shares) at Mar. 31, 2022             22,578,584        
Shareholders' Equity                      
Exercise of common stock options               22     22
Exercise of common stock options (in shares)             19,323        
Equity-based compensation               892     892
Other comprehensive gain                   (3) (3)
Net loss                 (5,752)   (5,752)
Ending Balances at Jun. 30, 2022             $ 22 147,671 (103,594) (200) 43,899
Ending Balances (in shares) at Jun. 30, 2022             22,597,907        
Shareholders' Equity                      
Exercise of common stock options             $ 2 1,268     $ 1,270
Exercise of common stock options (in shares)             1,371,590       1,371,589
Equity-based compensation               777     $ 777
Other comprehensive gain                   (1) (1)
Net loss                 (6,625)   (6,625)
Ending Balances at Sep. 30, 2022             $ 24 149,716 (110,219) (201) 39,320
Ending Balances (in shares) at Sep. 30, 2022             23,969,497        
Beginning Balances at Dec. 31, 2022             $ 29 155,820 (115,401) (199) 40,249
Beginning Balances (in shares) at Dec. 31, 2022             28,991,548        
Shareholders' Equity                      
Equity-based compensation               1,187     1,187
Value of shares issued   $ 197 $ 197   $ 318 $ 318          
Shares issued 95,823     189,856              
Other comprehensive gain                   4 4
Net loss                 (6,172)   (6,172)
Ending Balances at Mar. 31, 2023             $ 29 157,522 (121,573) (195) 35,783
Ending Balances (in shares) at Mar. 31, 2023             29,277,227        
Beginning Balances at Dec. 31, 2022             $ 29 155,820 (115,401) (199) $ 40,249
Beginning Balances (in shares) at Dec. 31, 2022             28,991,548        
Shareholders' Equity                      
Exercise of common stock options (in shares)                     0
Shares issued           125,000          
Net loss                     $ (17,647)
Ending Balances at Sep. 30, 2023             $ 30 162,140 (133,048) (196) 28,926
Ending Balances (in shares) at Sep. 30, 2023             30,417,082        
Beginning Balances at Mar. 31, 2023             $ 29 157,522 (121,573) (195) 35,783
Beginning Balances (in shares) at Mar. 31, 2023             29,277,227        
Shareholders' Equity                      
Equity-based compensation               1,025     1,025
Value of shares issued             $ 1 2,304     2,305
Shares issued             1,009,355        
Other comprehensive gain                   (1) (1)
Net loss                 (4,726)   (4,726)
Ending Balances at Jun. 30, 2023             $ 30 160,851 (126,299) (196) $ 34,386
Ending Balances (in shares) at Jun. 30, 2023             30,286,582        
Shareholders' Equity                      
Exercise of common stock options (in shares)                     0
Equity-based compensation               1,071     $ 1,071
Value of shares issued   $ 8 $ 8   $ 210 $ 210          
Shares issued 5,500     125,000              
Net loss                 (6,749)   (6,749)
Ending Balances at Sep. 30, 2023             $ 30 $ 162,140 $ (133,048) $ (196) $ 28,926
Ending Balances (in shares) at Sep. 30, 2023             30,417,082