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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 |  | $ 6 | 870 |  | $ 876 |
Issuance of shares in at-the-market transactions, net of fees, shares |  | 640,163 |  |  | 640,163 |
Amortization of stock option awards |  |  | 13 |  | $ 13 |
Net income (loss) |  |  |  | (322) | (322) | [2],[3]
Balance at Mar. 31, 2018 | [1] | $ 124 | 135,515 | (126,410) | 9,229 |
Balance, shares at Mar. 31, 2018 | [1] | 12,442,931 |  |  |  |
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 |  |  | 13 |  | 13 |
Net income (loss) |  |  |  | 15 | 15 |
Balance at Mar. 31, 2019 |  | $ 134 | $ 136,727 | $ (127,114) | $ 9,746 |
Balance, shares at Mar. 31, 2019 |  | 13,405,838 |  |  |  |
[1] | Shareholders'equity at December 31, 2017 and March 31, 2018 have been restated to reflect the reclassification of the Company's Series A preferred stock to temporary equity. In addition, $903 thousand and $981thousand at December 31, 2017 and March 31,2018, respectively, 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.
[2] | The condensed consolidated statement of cash flows for the three months ended March 31, 2018 was restated to include the loss due to the change in the fair value of marketable equity securities of $78 thousand in net loss. The amount was originally included in other comprehensive loss.
[3] | The condensed consolidated statement of operations for the three months ended March 31, 2018 was restated to include the loss on marketable equity securities in non-operating income rather than other comprehensive income as originally reported.

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