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CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) $ in Thousands | Series B Preferred Stock | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Non-Controlling Interest | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance - Shares at Dec. 31, 2015 | 1,398 | 19,619 |  |  |  |  |
Beginning Balance - Amount at Dec. 31, 2015 | $ 1 | $ 20 | $ 82,115 | $ (114,251) | $ (3,179) | $ 0 | $ (35,294)
Conversion of Series B preferred to common stock, Shares | (70) | 7 |  |  |  |  |
Stock-based compensation |  |  | 747 |  |  |  | 747
Issuance and exercise of warrants, Shares |  | 232 |  |  |  |  |
Issuance and exercise of warrants, Amount |  |  | 579 |  |  |  | 579
Other comprehensive income (loss) |  |  |  |  | (209) |  | (209)
Net loss |  |  |  | (15,636) |  |  | (15,636)
Ending Balance, Shares at Dec. 31, 2016 | 1,328 | 19,858 |  |  |  |  |
Ending Balance, Amount at Dec. 31, 2016 | $ 1 | $ 20 | 83,441 | (129,887) | (3,388) | 0 | (49,813)
Conversion of Series B preferred to common stock, Shares | (5) |  |  |  |  |  |
Stock-based compensation |  |  | 1,101 |  |  |  | 1,101
Shares issued to consultants and other services, Shares |  | 100 |  |  |  |  |
Shares issued to consultants and other services, Amount |  |  | 118 |  |  |  | 118
Issuance and exercise of warrants, Shares |  | 240 |  |  |  |  |
Issuance and exercise of warrants, Amount |  |  | 338 |  |  |  | 338
Repurchase of common stock, Shares |  | (275) |  |  |  |  |
Repurchase of common stock, Amount |  |  | (451) |  |  |  | (451)
Issuance of shares for interest and note extinguishment, Shares |  | 165 |  |  |  |  |
Issuance of shares for interest and note extinguishment, Amount |  |  | 132 |  |  |  | 132
Other comprehensive income (loss) |  |  |  |  | 484 |  | 484
Net loss |  |  |  | (30,301) |  | (1,469) | (31,770)
Ending Balance, Shares at Dec. 31, 2017 | 1,323 | 20,088 |  |  |  |  |
Ending Balance, Amount at Dec. 31, 2017 | $ 1 | $ 20 | $ 84,679 | $ (160,188) | $ (2,904) | $ (1,469) | $ (79,861)

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