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Condensed Consolidated Statement of Stockholders' Equity (Deficit) (Unaudited) (USD $) In Thousands, except Share data | Total | Common Stock | Treasury Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2011 | $ 78,298 | $ 5 | $ (1,667) | $ 166,814 | $ (44) | $ (86,810)
Beginning balance, shares at Dec. 31, 2011 |  | 51,958 | 1,358 |  |  |
Net income | 16,784 |  |  |  |  | 16,784
Other comprehensive loss | (28) |  |  |  | (28) |
Stock Issued During Period Value Exercise of Warrant Securities | (263) |  |  | (263) |  |
Stock warrants exercised, shares |  | 217 |  |  |  |
Fair value of warrant liability reclassified to additional paid-in-capital | 13,973 |  |  | 13,973 |  |
Stock options exercised | 131 |  |  | 131 |  |
Stock options exercised, shares |  | 38 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | (490) |  | (490) |  |  |
Treasury stock purchased, shares |  |  | 40 |  |  |
Restricted stock granted, shares |  | 660 |  |  |  |
Restricted stock forfeited, shares |  |  | 7 |  |  |
Excess tax benefit related to share-based awards | 518 |  |  | 518 |  |
Stock compensation expense | 5,877 |  |  | 5,877 |  |
Ending balance at Jun. 30, 2012 | $ 115,326 | $ 5 | $ (2,157) | $ 187,576 | $ (72) | $ (70,026)
Ending balance, shares at Jun. 30, 2012 |  | 52,873 | 1,405 |  |  |

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