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 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
|
|
|
|
|
|
|
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 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 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 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 income (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
|
|
Balance at Beginning (in shares) at Dec. 31, 2017 |
927
|
43,986
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
|
|
|
(946)
|
|
Net income (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 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 |
|
$ 1
|
3,033
|
|
|
|
3,034
|
|
Stock-based compensation expense – restricted stock issued to employees and directors, net of cancellations and tax (in shares) |
|
947
|
|
|
|
|
|
|
Issuances of common stock |
|
$ 1
|
2,056
|
|
|
|
2,057
|
|
Issuances of common stock (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
|
[1] |
Balance at End (in shares) at Dec. 31, 2018 |
927
|
45,771
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
(315)
|
|
|
(315)
|
|
Net income (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)
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
(319)
|
|
|
(319)
|
|
Net income (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
|
|
|
|
|
|
|
Balance at Beginning at Dec. 31, 2018 |
$ 1
|
$ 46
|
932,179
|
(630,000)
|
(2,459)
|
19,598
|
319,365
|
[1] |
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 income (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
|
|
|
|
|
|
|
Balance at Beginning at Dec. 31, 2018 |
$ 1
|
$ 46
|
932,179
|
(630,000)
|
(2,459)
|
19,598
|
319,365
|
[1] |
Balance at Beginning (in shares) at Dec. 31, 2018 |
927
|
45,771
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
|
|
|
(946)
|
|
Net income (loss) |
|
|
|
|
|
|
(51,524)
|
|
Balance at End at Sep. 30, 2019 |
$ 1
|
$ 50
|
937,795
|
(678,808)
|
(2,459)
|
15,936
|
272,515
|
|
Balance at End (in shares) at Sep. 30, 2019 |
927
|
49,784
|
|
|
|
|
|
|
Balance at Beginning at Mar. 31, 2019 |
$ 1
|
$ 49
|
936,643
|
(643,202)
|
(2,459)
|
18,327
|
309,359
|
|
Balance at Beginning (in shares) at Mar. 31, 2019 |
927
|
48,884
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
Stock-based compensation expense – restricted stock issued to employees and directors, net of cancellations and tax |
|
$ 1
|
565
|
|
|
|
566
|
|
Stock-based compensation expense – restricted stock issued to employees and directors, net of cancellations and tax (in shares) |
|
954
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
(315)
|
|
|
(315)
|
|
Net income (loss) |
|
|
|
(7,646)
|
|
(644)
|
(8,290)
|
|
Balance at End at Jun. 30, 2019 |
$ 1
|
$ 50
|
937,208
|
(651,163)
|
(2,459)
|
17,683
|
301,320
|
|
Balance at End (in shares) at Jun. 30, 2019 |
927
|
49,838
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
|
|
Stock-based compensation expense – restricted stock issued to employees and directors, net of cancellations and tax |
|
|
587
|
|
|
|
587
|
|
Stock-based compensation expense – restricted stock issued to employees and directors, net of cancellations and tax (in shares) |
|
(54)
|
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
(319)
|
|
|
(319)
|
|
Net income (loss) |
|
|
|
(27,326)
|
|
(1,747)
|
(29,073)
|
|
Balance at End at Sep. 30, 2019 |
$ 1
|
$ 50
|
$ 937,795
|
$ (678,808)
|
$ (2,459)
|
$ 15,936
|
$ 272,515
|
|
Balance at End (in shares) at Sep. 30, 2019 |
927
|
49,784
|
|
|
|
|
|
|
|
|