Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited)

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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 Interests [Member]
Total
Balance at Beginning at Dec. 31, 2016 $ 1 $ 44 $ 922,698 $ (532,233) $ (2,620) $ 30,371 $ 418,261
Balance at Beginning (in shares) at Dec. 31, 2016 927 43,312  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax $ 1,220 1,220
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax (in shares) 505  
Warrant and option exercises $ 37 37
Warrant and option exercises (in shares) 10  
Preferred stock dividends $ (312) (312)
Net loss (12,636) (849) (13,485)
Balance at End at Mar. 31, 2017 $ 1 $ 44 $ 923,955 $ (545,181) $ (2,620) $ 29,522 405,721
Balance at End (in shares) at Mar. 31, 2017 927 43,827  
Balance at Beginning at Dec. 31, 2016 $ 1 $ 44 $ 922,698 $ (532,233) $ (2,620) $ 30,371 418,261
Balance at Beginning (in shares) at Dec. 31, 2016 927 43,312  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Preferred stock dividends             (946)
Net loss             (23,964)
Balance at End at Sep. 30, 2017 $ 1 $ 44 $ 926,248 $ (554,858) $ (2,620) $ 28,086 396,901
Balance at End (in shares) at Sep. 30, 2017 927 43,972          
Balance at Beginning at Mar. 31, 2017 $ 1 $ 44 $ 923,955 $ (545,181) $ (2,620) $ 29,522 405,721
Balance at Beginning (in shares) at Mar. 31, 2017 927 43,827  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax $ 127 127
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax (in shares) (37)    
Warrant and option exercises $ 829 829
Warrant and option exercises (in shares) 120  
Preferred stock dividends $ (315) (315)
Net loss (8,841) (1,097) (9,938)
Balance at End at Jun. 30, 2017 $ 1 $ 44 $ 924,911 $ (554,337) $ (2,620) $ 28,425 396,424
Balance at End (in shares) at Jun. 30, 2017 927 43,910  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax $ 825 825
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax (in shares) (9)  
Warrant and option exercises $ 512 512
Warrant and option exercises (in shares) 71  
Preferred stock dividends $ (319) (319)
Net loss (202) (339) (541)
Balance at End at Sep. 30, 2017 $ 1 $ 44 926,248 (554,858) (2,620) 28,086 396,901
Balance at End (in shares) at Sep. 30, 2017 927 43,972          
Balance at Beginning at Dec. 31, 2017 $ 1 $ 44 $ 927,090 $ (568,462) $ (2,234) $ 27,261 383,700 [1]
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)  
Warrant and option exercises  
Warrant and option exercises (in shares)  
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, 2017 $ 1 $ 44 $ 927,090 $ (568,462) $ (2,234) $ 27,261 383,700 [1]
Balance at Beginning (in shares) at Dec. 31, 2017 927 43,986  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Preferred stock dividends             (946)
Net loss             (33,405)
Balance at End at Sep. 30, 2018 $ 1 $ 45 $ 929,262 $ (597,671) $ (2,234) $ 22,119 351,522
Balance at End (in shares) at Sep. 30, 2018 927 44,947          
Balance at Beginning at Mar. 31, 2018 $ 1 $ 44 $ 927,825 $ (576,615) $ (2,234) $ 25,605 374,626
Balance at Beginning (in shares) at Mar. 31, 2018 927 43,955  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax $ 1 $ 553 554
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax (in shares) 1,006  
Warrant and option exercises  
Warrant and option exercises (in shares)  
Preferred stock dividends $ (315) (315)
Net loss (12,908) (1,696) (14,604)
Balance at End at Jun. 30, 2018 $ 1 $ 45 $ 928,378 $ (589,838) $ (2,234) $ 23,909 360,261
Balance at End (in shares) at Jun. 30, 2018 927 44,961  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax $ 884 884
Stock-based compensation expense restricted stock issued to employees and directors, net of cancellations and tax (in shares) (14)  
Warrant and option exercises  
Warrant and option exercises (in shares)  
Preferred stock dividends $ (319) (319)
Net loss (7,514) (1,790) (9,304)
Balance at End at Sep. 30, 2018 $ 1 $ 45 $ 929,262 $ (597,671) $ (2,234) $ 22,119 $ 351,522
Balance at End (in shares) at Sep. 30, 2018 927 44,947          
[1] Amounts derived from the audited consolidated financial statements for the year ended December 31, 2017.