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STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Paid-In Capital
Accumulated Deficit
Treasury Stock
Total
Balance at Dec. 31, 2021 $ 35 $ 468,578 $ (342,157) $ (258) $ 126,198
Balance, shares at Dec. 31, 2021 35,279,724        
Net loss     (11,121)   (11,121)
Common stock issued, net of issuance costs $ 13 25,888     25,901
Common stock issued, net of issuance costs (in shares) 12,957,847        
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes   1,022     1,022
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) 167,972        
Minimum withholding taxes on net share settlements of equity awards   (32)     (32)
Balance at Dec. 31, 2022 $ 48 495,456 (353,278) (258) 141,968
Balance, shares at Dec. 31, 2022 48,405,543        
Treasury stock         (258)
Net loss     (7,751)   (7,751)
Common stock issued, net of issuance costs $ 7 5,490     5,497
Common stock issued, net of issuance costs (in shares) 6,581,205        
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes   837     837
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) 401,046        
Minimum withholding taxes on net share settlements of equity awards   (108)     (108)
Balance at Dec. 31, 2023 $ 55 $ 501,675 $ (361,029) $ (258) 140,443
Balance, shares at Dec. 31, 2023 55,387,794        
Treasury stock         $ (258)