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Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Total | Preferred Shares [Member] | Common Shares [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Shares [Member]
--- | --- | --- | --- | --- | --- | ---
Stockholders' Equity, Beginning Balance at Dec. 31, 2009 | $ 326,763 | $ 96,325 | $ 221 | $ 137,492 | $ 163,847 | $ (71,122)
Shares Outstanding, Beginning Balance at Dec. 31, 2009 |  | 4,000 | 18,520,736 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income (Loss) | (26,269) | 0 | 0 | 0 | (26,269) | 0
Excess tax benefit from stock-based payment arrangements | (13) |  |  | (13) |  |
Net proceeds from issuance of common shares | 0 |  |  |  |  |
Stock options exercised, shares |  | 0 | 1,600 |  |  |
Stock options exercised | 12 | 0 | 0 | (19) | 0 | 31
Stock-based compensation expense | 2,811 | 0 | 0 | 2,811 | 0 | 0
Deferral of executive and director compensation | 187 | 0 | 0 | 187 | 0 | 0
Executive and director deferred compensation distributions shares |  | 0 | 1,999 |  |  |
Executive and director deferred compensation distributions | 0 | 0 | 0 | (40) | 0 | 40
Stockholders' Equity, Ending Balance at Dec. 31, 2010 | 303,491 | 96,325 | 221 | 140,418 | 137,578 | (71,051)
Shares Outstanding, Ending Balance at Dec. 31, 2010 |  | 4,000 | 18,524,335 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income (Loss) | (33,877) | 0 | 0 | 0 | (33,877) | 0
Excess tax benefit from stock-based payment arrangements | 233 |  |  | 233 |  |
Net proceeds from issuance of common shares | 0 |  |  |  |  |
Stock options exercised, shares |  | 0 | 190,090 |  |  |
Stock options exercised | 1,500 | 0 | 0 | (2,275) | 0 | 3,775
Stock-based compensation expense | 1,866 | 0 | 0 | 1,866 | 0 | 0
Deferral of executive and director compensation | 137 | 0 | 0 | 137 | 0 | 0
Executive and director deferred compensation distributions shares |  | 0 | 21,932 |  |  |
Executive and director deferred compensation distributions | 0 | 0 | 0 | (436) | 0 | 436
Stockholders' Equity, Ending Balance at Dec. 31, 2011 | 273,350 | 96,325 | 221 | 139,943 | 103,701 | (66,840)
Shares Outstanding, Ending Balance at Dec. 31, 2011 |  | 4,000 | 18,736,357 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income (Loss) | 13,347 | 0 | 0 | 0 | 13,347 | 0
Stock Issued During Period, Shares, New Issues |  | 0 | 2,530,000 |  |  |
Net proceeds from issuance of common shares | 42,085 | 0 | 25 | 42,060 | 0 | 0
Stock options exercised, shares | (378,674) | 0 | 378,674 |  |  |
Stock options exercised | 4,762 | 0 | 0 | (2,759) | 0 | 7,521
Stock-based compensation expense | 1,734 | 0 | 0 | 1,734 | 0 | 0
Deferral of executive and director compensation | 150 | 0 | 0 | 150 | 0 | 0
Executive and director deferred compensation distributions shares |  | 0 | 42,222 |  |  |
Executive and director deferred compensation distributions | 0 | 0 | 0 | (839) | 0 | 839
Stockholders' Equity, Ending Balance at Dec. 31, 2012 | $ 335,428 | $ 96,325 | $ 246 | $ 180,289 | $ 117,048 | $ (58,480)
Shares Outstanding, Ending Balance at Dec. 31, 2012 |  | 4,000 | 21,687,253 |  |  |

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