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Condensed Consolidated Statements Of Stockholders' Equity (Deficit) - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands | Total | Preferred Shares | Common Shares | Treasury Stock | Additional Paid-in Capital | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Cumulative-effect adjustment | ASU No. 2016-09 | $ 1,639 |  |  |  |  | $ 1,639
Beginning Balance (in shares) (Scenario, Previously Reported) at Dec. 31, 2015 |  | 328,184,640 | 183,577,765 | (174,502) |  |
Beginning Balance (in shares) at Dec. 31, 2015 |  | 328,184,640 | 183,577,765 | (174,502) |  |
Beginning Balance (Scenario, Previously Reported) at Dec. 31, 2015 | (129,191) | $ 24,364 | $ 149,978 | $ (411) | $ 816,171 | (1,119,293)
Beginning Balance at Dec. 31, 2015 | (127,552) | $ 24,364 | 149,978 | $ (411) | 816,171 | (1,117,654)
Issuance of common stock, net of transaction costs | 64,614 |  | $ 15,712 |  | 48,902 |
Issuance of common stock, net of transaction costs (shares) |  |  | 24,265,000 |  |  |
Exchange of exchangeable senior notes, net of transaction costs | $ 127,437 |  | $ 40,062 |  | 87,375 |
Exchange of exchangeable senior notes, net of transaction costs (shares) |  |  | 60,311,188 |  |  |
Exercise of stock options (in shares) | 94,272 |  | 94,272 |  |  |
Exercise of stock options | $ 136 |  | $ 67 |  | 69 |
Vesting of restricted stock units (in shares) |  |  | 1,704,664 | (596,924) |  |
Vesting of restricted stock units | (946) |  | $ 1,204 | $ (939) | (1,211) |
Stock-based compensation | 10,385 |  |  |  | 10,385 |
Loss for the period | (58,897) |  |  |  |  | (58,897)
Ending Balance (in shares) at Sep. 30, 2016 |  | 328,184,640 | 269,952,889 | (771,426) |  |
Ending Balance at Sep. 30, 2016 | $ 15,177 | $ 24,364 | $ 207,023 | $ (1,350) | $ 961,691 | $ (1,176,551)

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