Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands |
Common Stock |
Additional Paid-in-Capital |
Accumulated Other Comprehensive Income |
Treasury Stock |
Accumulated Deficit |
Total |
| Balance at Dec. 31, 2013 |
$ 1,064
|
$ 831,156
|
$ 898
|
$ (1,552)
|
$ (849,437)
|
$ (17,871)
|
| Balance (in shares) at Dec. 31, 2013 |
106,356,558
|
|
|
165,906
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
| Net loss attributable to the Company |
|
|
|
|
(88,488)
|
(88,488)
|
| Stock based compensation |
$ 2
|
4,051
|
|
|
|
4,053
|
| Stock based compensation (in shares) |
146,174
|
|
|
|
|
|
| Stock dividend |
|
156
|
|
|
(156)
|
|
| Stock dividend (in shares) |
34,232
|
|
|
|
|
|
| Public offering, common stock, net |
$ 365
|
153,584
|
|
|
|
$ 153,949
|
| Public offering, common stock, net (in shares) |
36,502,440
|
|
|
|
|
36,502,440
|
| Stock option exercises |
$ 6
|
401
|
|
$ (770)
|
|
$ (363)
|
| Stock option exercises (in shares) |
634,519
|
|
|
125,819
|
|
|
| Exercise of warrants |
$ 239
|
101,886
|
|
$ (340)
|
|
$ 101,785
|
| Exercise of warrants (in shares) |
23,918,429
|
|
|
86,391
|
|
23,832,038
|
| Shares issued for acquisition |
$ 5
|
3,995
|
|
|
|
$ 4,000
|
| Shares issued for acquisition (in shares) |
530,504
|
|
|
|
|
|
| Conversion of preferred stock |
$ 55
|
1,163
|
|
|
|
1,218
|
| Shares issued upon conversion of redeemable stock (in shares) |
5,521,676
|
|
|
|
|
|
| Balance at Dec. 31, 2014 |
$ 1,736
|
1,096,392
|
898
|
$ (2,662)
|
(938,081)
|
158,283
|
| Balance (in shares) at Dec. 31, 2014 |
173,644,532
|
|
|
378,116
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
| Net loss attributable to the Company |
|
|
|
|
(55,690)
|
(55,690)
|
| Other comprehensive income |
|
|
(100)
|
|
|
(100)
|
| Stock based compensation |
$ 1
|
7,816
|
|
|
|
7,817
|
| Stock based compensation (in shares) |
89,490
|
|
|
|
|
|
| Stock dividend |
$ 1
|
104
|
|
|
(105)
|
|
| Stock dividend (in shares) |
47,553
|
|
|
|
|
|
| Stock option exercises |
$ 4
|
163
|
|
$ (247)
|
|
(80)
|
| Stock option exercises (in shares) |
364,448
|
|
|
101,837
|
|
|
| Exercise of warrants |
|
47
|
|
|
|
$ 47
|
| Exercise of warrants (in shares) |
26,882
|
|
|
|
|
26,882
|
| Shares issued for acquisition |
$ 64
|
14,395
|
|
|
|
$ 14,459
|
| Shares issued for acquisition (in shares) |
6,394,539
|
|
|
|
|
|
| Balance at Dec. 31, 2015 |
$ 1,806
|
1,118,917
|
798
|
$ (2,909)
|
(993,876)
|
$ 124,736
|
| Balance (in shares) at Dec. 31, 2015 |
180,567,444
|
|
|
479,953
|
|
180,567,444
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
| Net loss attributable to the Company |
|
|
|
|
(57,487)
|
$ (57,487)
|
| Other comprehensive income |
|
|
(551)
|
|
|
(551)
|
| Stock based compensation |
$ 1
|
9,289
|
|
|
|
9,290
|
| Stock based compensation (in shares) |
105,479
|
|
|
|
|
|
| Stock dividend |
$ 1
|
103
|
|
|
(104)
|
|
| Stock dividend (in shares) |
66,061
|
|
|
|
|
|
| Public offering, common stock, net |
$ 104
|
8,824
|
|
|
|
8,928
|
| Public offering, common stock, net (in shares) |
10,400,000
|
|
|
|
|
|
| Stock option exercises |
$ 4
|
98
|
|
$ (182)
|
|
(80)
|
| Stock option exercises (in shares) |
465,111
|
|
|
102,375
|
|
|
| Exercise of warrants |
$ 1
|
251
|
|
|
|
$ 252
|
| Exercise of warrants (in shares) |
119,879
|
|
|
|
|
119,879
|
| Balance at Dec. 31, 2016 |
$ 1,917
|
$ 1,137,482
|
$ 247
|
$ (3,091)
|
$ (1,051,467)
|
$ 85,088
|
| Balance (in shares) at Dec. 31, 2016 |
191,723,974
|
|
|
582,328
|
|
191,723,974
|