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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Paid-In Capital | Accumulated Deficit | Treasury Stock | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2020 | $ 19 | $ 383,723 | $ (326,013) | $ (258) | $ 57,471
Balance, shares at Dec. 31, 2020 | 19,172,020 |  |  |  |
Net loss |  |  | (16,144) |  | (16,144)
Common stock issued, net of issuance costs | $ 16 | 84,126 |  |  | 84,142
Common stock issued, net of issuance costs (in shares) | 16,050,518 |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 879 |  |  | 879
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) | 57,186 |  |  |  |
Minimum withholding taxes on net share settlements of equity awards |  | (150) |  |  | (150)
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 |  |  |  |

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