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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (unaudited) - 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 |  |  |  | (5,949) |  | (5,949)
Common stock issued, net of issuance costs | $ 1 | 1,153 |  |  |  | 1,154
Common stock issued, net of issuance costs (in shares) | 221,263 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 15 |  |  |  | 15
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 Jun. 30, 2019 | $ 2 | 314,179 |  | (297,823) | (258) | 16,100
Balance, shares at Jun. 30, 2019 | 1,658,211 |  |  |  |  |
Balance at Mar. 31, 2019 | $ 1 | 313,435 |  | (295,048) | (258) | 18,130
Balance, shares at Mar. 31, 2019 | 1,494,153 |  |  |  |  |
Net loss |  |  |  | (2,775) |  | (2,775)
Common stock issued, net of issuance costs | $ 1 | 738 |  |  |  | 739
Common stock issued, net of issuance costs (in shares) | 164,058 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 7 |  |  |  | 7
Minimum withholding taxes on net share settlements of equity awards |  | (1) |  |  |  | (1)
Balance at Jun. 30, 2019 | $ 2 | 314,179 |  | (297,823) | (258) | 16,100
Balance, shares at Jun. 30, 2019 | 1,658,211 |  |  |  |  |
Balance at Dec. 31, 2019 | $ 3 | 319,758 |  | (302,439) | (258) | 17,064
Balance, shares at Dec. 31, 2019 | 3,339,541 |  |  |  |  |
Net loss |  |  |  | (5,754) |  | (5,754)
Common stock and common stock purchase warrants issued, net of issuance costs | $ 4 | 6,287 |  |  |  | 6,291
Common stock and common stock purchase warrants issued, net of issuance costs (in shares) | 3,324,924 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 28 |  |  |  | 28
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes (in shares) | 511 |  |  |  |  |
Balance at Jun. 30, 2020 | $ 7 | 326,073 |  | (308,193) | (258) | 17,629
Balance, shares at Jun. 30, 2020 | 6,664,976 |  |  |  |  |
Balance at Mar. 31, 2020 | $ 5 | 322,227 |  | (305,726) | (258) | 16,248
Balance, shares at Mar. 31, 2020 | 4,762,794 |  |  |  |  |
Net loss |  |  |  | (2,467) |  | (2,467)
Common stock issued, net of issuance costs | $ 2 | 3,818 |  |  |  | 3,820
Common stock issued, net of issuance costs (in shares) | 1,902,182 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 28 |  |  |  | 28
Balance at Jun. 30, 2020 | $ 7 | $ 326,073 |  | $ (308,193) | $ (258) | $ 17,629
Balance, shares at Jun. 30, 2020 | 6,664,976 |  |  |  |  |

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