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CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) $ in Thousands | Common Stock | Paid-In Capital. | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit | Treasury Stock | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 1 | $ 313,012 | $ (90) | $ (291,874) | $ (258) | $ 20,791
Balance, shares at Dec. 31, 2018 | 1,436,555 |  |  |  |  |
Net Loss |  |  |  | (10,565) |  | (10,565)
Common stock issued, net of issuance costs | $ 2 | 6,650 |  |  |  | 6,652
Common stock issued, net of issuance costs (in shares) | 1,902,593 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 97 |  |  |  | 97
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) | 393 |  |  |  |  |
Minimum withholding taxes on net share settlements of equity awards |  | (1) |  |  |  | (1)
Transfer to realized loss upon sale of available for sale securities |  |  | $ 90 |  |  | 90
Balance at Dec. 31, 2019 | $ 3 | 319,758 |  | (302,439) | (258) | 17,064
Balance, shares at Dec. 31, 2019 | 3,339,541 |  |  |  |  |
Net Loss |  |  |  | (23,574) |  | (23,574)
Common stock issued, net of issuance costs | $ 16 | 62,673 |  |  |  | 62,689
Common stock issued, net of issuance costs (in shares) | 15,681,968 |  |  |  |  |
Common stock issued for commitment fees |  | 925 |  |  |  | 925
Common stock issued for commitment fees, shares | 150,000 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 367 |  |  |  | 367
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) | 511 |  |  |  |  |
Transfer to realized loss upon sale of available for sale securities |  |  |  |  |  |
Balance at Dec. 31, 2020 | $ 19 | $ 383,723 |  | $ (326,013) | $ (258) | $ 57,471
Balance, shares at Dec. 31, 2020 | 19,172,020 |  |  |  |  |

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