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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit | Total
--- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 1,360,668 | $ 124 | $ (919,577) | $ 441,215
Balance (in shares) at Dec. 31, 2014 | 300,100,000 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |
Stock-based compensation (note 9) | $ 1,047 |  |  | 1,047
Return of capital distribution (note 8) | (1,503) |  |  | (1,503)
Shares issued for the settlement of accounts payable (note 8) | $ 443 |  |  | 443
Shares issued for settlement of accounts payable (note 8) (in shares) | 430,000 |  |  |
Unrealized gain (loss) on available-for-sale securities, net of taxes (note 2) |  | (1,126) |  | (1,126)
Net income |  |  | (5,462) | (5,462)
Balance at Sep. 30, 2015 | $ 1,360,655 | (1,002) | (925,039) | 434,614
Balance (in shares) at Sep. 30, 2015 | 300,530,000 |  |  |
Balance at Dec. 31, 2014 | $ 1,360,668 | 124 | (919,577) | 441,215
Balance (in shares) at Dec. 31, 2014 | 300,100,000 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |
Share repurchase (note 8) |  |  |  | $ (1,800)
Share repurchase (note 8) (in shares) |  |  |  | (1,896,442)
Balance at Dec. 31, 2015 | $ 1,359,144 | (825) | (940,027) | $ 418,292
Balance (in shares) at Dec. 31, 2015 | 298,634,000 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |
Stock-based compensation (note 9) | $ 770 |  |  | 770
Return of capital distribution (note 8) | (2,986) |  |  | (2,986)
Exercise of stock options (note 8) | $ 3,500 |  |  | 3,500
Exercise of stock options (note 8) (in shares) | 1,377,000 |  |  |
Share repurchase (note 8) | $ (582) |  |  | $ (582)
Share repurchase (note 8) (in shares) | (558,000) |  |  | (557,991)
Other-than-temporary impairment on marketable equity securities (note 2) |  | 882 |  | $ 882
Unrealized gain (loss) on available-for-sale securities, net of taxes (note 2) |  | 1,790 |  | 1,790
Net income |  |  | 25,546 | 25,546
Balance at Sep. 30, 2016 | $ 1,359,846 | $ 1,847 | $ (914,481) | $ 447,212
Balance (in shares) at Sep. 30, 2016 | 299,453,000 |  |  |

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