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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands | Preferred Stock [Member] | Common Stock [Member] | Additional Paid-In Capital [Member] | Accumulated Deficit [Member] | Accum. Other Comprehensive Income (Loss) [Member] | Non-Controlling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Beginning at Dec. 31, 2017 | $ 1 | $ 44 | $ 927,090 | $ (568,462) | $ (2,234) | $ 27,261 | $ 383,700
Balance at Beginning (in shares) at Dec. 31, 2017 | 927 | 43,986 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax |  |  | 735 |  |  |  | 735
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax (in shares) |  | (31) |  |  |  |  |
Preferred stock dividends |  |  |  | (312) |  |  | (312)
Net loss |  |  |  | (7,841) |  | (1,656) | (9,497)
Balance at End at Mar. 31, 2018 | $ 1 | $ 44 | 927,825 | (576,615) | (2,234) | 25,605 | 374,626
Balance at End (in shares) at Mar. 31, 2018 | 927 | 43,955 |  |  |  |  |
Balance at Beginning at Dec. 31, 2018 | $ 1 | $ 46 | 932,179 | (630,000) | (2,459) | 19,598 | 319,365
Balance at Beginning (in shares) at Dec. 31, 2018 | 927 | 45,771 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax |  |  | 797 |  |  |  | 797
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax (in shares) |  | (24) |  |  |  |  |
Issuances of common stock |  | $ 3 | 3,667 |  |  |  | 3,670
Issuances of common stock (in shares) |  | 3,137 |  |  |  |  |
Preferred stock dividends |  |  |  | (312) |  |  | (312)
Net loss |  |  |  | (12,890) |  | (1,271) | (14,161)
Balance at End at Mar. 31, 2019 | $ 1 | $ 49 | $ 936,643 | $ (643,202) | $ (2,459) | $ 18,327 | $ 309,359
Balance at End (in shares) at Mar. 31, 2019 | 927 | 48,884 |  |  |  |  |

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