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Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Total
--- | --- | --- | --- | ---
Balance at Dec. 31, 2017 | [1] | $ 118 | $ 134,632 | $ (126,088) | $ 8,662
Balance, shares at Dec. 31, 2017 | [1] | 11,802,768 |  |  |
Issuance of shares in at-the-market transactions, net of fees |  | $ 9 | 1,141 |  | $ 1,150
Issuance of shares in at-the-market transactions, net of fees, shares |  | 930,857 |  |  | 930,857
Issuance of shares to employees net of shares withheld for taxes |  | $ 3 | 376 |  | $ 379
Issuance of shares to employees net of shares withheld for taxes, shares |  | 324,866 |  |  |
Amortization of stock option awards |  |  | 26 |  | 26
Net loss |  |  |  | (1,417) | (1,417)
Balance at Jun. 30, 2018 | [1] | $ 130 | 136,175 | (127,505) | 8,800
Balance, shares at Jun. 30, 2018 | [1] | 13,058,491 |  |  |
Balance at Dec. 31, 2018 |  | $ 134 | 136,714 | (127,129) | 9,719
Balance, shares at Dec. 31, 2018 |  | 13,405,838 |  |  |
Amortization of stock option awards |  |  | 26 |  | 26
Net loss |  |  |  | 35 | 35
Balance at Jun. 30, 2019 |  | $ 134 | $ 136,740 | $ (127,094) | $ 9,780
Balance, shares at Jun. 30, 2019 |  | 13,405,838 |  |  |
[1] | Shareholder's equity at December 31, 2017 and June 30, 2018 have been restated to reflect the reclassification of the Company's Series A preferred stock to temporary equity. In addition, $903 thousand at December 31, 2017 related to the change in the fair value of marketable equity securities was reclassified from accumulated other comprehensive loss to accumulated deficit as a result of the adoption of Accounting Standards Update 2016-01.

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