Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 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, 2015 $ 1 $ 43 $ 902,843 $ (532,383) $ 1,040   $ 371,544
Balance at Beginning (in shares) at Dec. 31, 2015 927 42,515          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax   $ 1 2,281       2,282
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax (in shares)   659          
Pension plan adjustment         (3,660)   (3,660)
Warrant and option exercises     1,338       1,338
Warrant and option exercises (in shares)   138          
Sale of Pacific Aurora interests to ACEC     10,475     $ 19,525 30,000
ACEC contribution to form Pacific Aurora     5,761     10,739 16,500
Preferred stock dividends       (1,269)     (1,269)
Net income (loss)       1,419   107 1,526
Balance at End at Dec. 31, 2016 $ 1 $ 44 922,698 (532,233) (2,620) 30,371 418,261
Balance at End (in shares) at Dec. 31, 2016 927 43,312          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax     3,014       3,014
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax (in shares)   473          
Pension plan adjustment         386   386
Warrant and option exercises     1,378       1,378
Warrant and option exercises (in shares)   201          
Preferred stock dividends       (1,265)     (1,265)
Net income (loss)       (34,964)   (3,110) (38,074)
Balance at End at Dec. 31, 2017 $ 1 $ 44 927,090 (568,462) (2,234) 27,261 383,700
Balance at End (in shares) at Dec. 31, 2017 927 43,986          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax   $ 1 3,033       3,034
Stock-based compensation expense - restricted stock and options to employees and directors, net of cancellations and tax (in shares)   947          
Common stock issuances   $ 1 2,056       2,057
Common stock issuances (in shares)   838          
Pension plan adjustment         (225)   (225)
Preferred stock dividends       (1,265)     (1,265)
Net income (loss)       (60,273)   (7,663) (67,936)
Balance at End at Dec. 31, 2018 $ 1 $ 46 $ 932,179 $ (630,000) $ (2,459) $ 19,598 $ 319,365
Balance at End (in shares) at Dec. 31, 2018 927 45,771