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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Paid-In Capital [Member] | Accumulated Other Comprehensive Loss [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 2 | $ 233,547 |  | $ (202,154) | $ (258) | $ 31,137
Balance shares at Dec. 31, 2014 | 2,099,375 |  |  |  |  |
Net loss |  |  |  | (15,143) |  | (15,143)
Common stock issued, net of issuance costs | $ 1 | 6,391 |  |  |  | 6,392
Common stock issued, net of issuance costs, shares | 559,428 |  |  |  |  |
Common stock issued for acquisition of Anatolia Energy | $ 2 | 14,561 |  |  |  | 14,563
Common stock issued for acquisition of Anatolia Energy, shares | 1,709,724 |  |  |  |  |
Common stock issued for acquisition related fees |  | 743 |  |  |  | 743
Common stock issued for acquisition related fees, shares | 79,841 |  |  |  |  |
Common stock issued for loan interest |  | 722 |  |  |  | 722
Common stock issued for loan interest, shares | 52,861 |  |  |  |  |
Options issued for business combinations |  | 1,308 |  |  |  | 1,308
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 950 |  |  |  | 950
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes, shares | 20,957 |  |  |  |  |
Minimum withholding taxes on net share settlements of equity awards |  | (126) |  |  |  | (126)
Unrealized holding loss on available-for-sale securities |  |  | (67) |  |  | (67)
Balance at Dec. 31, 2015 | $ 5 | 258,096 | (67) | (217,297) | (258) | 40,479
Balance shares at Dec. 31, 2015 | 4,522,186 |  |  |  |  |
Net loss |  |  |  | (19,605) |  | (19,605)
Common stock issued, net of issuance costs | $ 9 | 13,940 |  |  |  | 13,949
Common stock issued, net of issuance costs, shares | 8,930,061 |  |  |  |  |
Common stock issued for loan interest |  | 304 |  |  |  | 304
Common stock issued for loan interest, shares | 83,000 |  |  |  |  |
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes |  | 195 |  |  |  | 195
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes, shares | 14,594 |  |  |  |  |
Minimum withholding taxes on net share settlements of equity awards |  | (2) |  |  |  | (2)
Unrealized holding loss on available-for-sale securities |  |  | 67 |  |  | 67
Common stock issued for extinguishment of convertible debt | $ 3 | 5,820 |  |  |  | 5,823
Common stock issued for extinguishment of convertible debt, shares | 2,487,562 |  |  |  |  |
Common stock issued for settlement of accounts payable |  | 850 |  |  |  | 850
Common stock issued for settlement of accounts payable, shares | 214,991 |  |  |  |  |
Common stock issued for commitment fees |  | 856 |  |  |  | 856
Common stock issued for commitment fees, shares | 315,000 |  |  |  |  |
Common stock issued for purchase of lithium properties |  | 132 |  |  |  | 132
Common stock issued for purchase of lithium properties, shares | 100,000 |  |  |  |  |
Balance at Dec. 31, 2016 | $ 17 | $ 280,191 |  | $ (236,902) | $ (258) | $ 43,048
Balance shares at Dec. 31, 2016 | 16,667,394 |  |  |  |  |

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