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]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest [Member]
Total
Balance at Beginning at Dec. 31, 2014 $ 1 $ 25 $ 725,813 $ (512,332) $ 4,475 $ 217,982
Balance at Beginning (in shares) at Dec. 31, 2014 927 24,499          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax     1,475       1,475
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax (in shares)   216          
Pension plan adjustment         1,040   (1,040)
Warrant and option exercises     440       440
Warrant and option exercises (in shares)   42          
Shares issued in PE Central acquisition   $ 18 174,555       174,573
Shares issued in PE Central acquisition (in shares)   17,758          
Purchases of interests in PE Op Co.     560     (4,388) (3,828)
Preferred stock dividends       (1,265)     1,265
Net loss       (18,786)   (87) (18,873)
Balance at End at Dec. 31, 2015 $ 1 $ 43 902,843 (532,383) 1,040 371,544
Balance at End (in shares) at Dec. 31, 2015 927 42,515          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax   $ 1 2,281       2,282
Stock-based compensation expense - restricted stock issued 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          
Preferred stock dividends       (1,269)     1,269
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
Net 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 issued to employees and directors, net of cancellations and tax     3,014       3,014
Stock-based compensation expense - restricted stock issued 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 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