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Consolidated Statements Of Stockholders' Equity (USD $) In Thousands | Common Stock [Member] | Preferred Stock [Member] | Treasury Stock [Member] | Additional Paid-In Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings (Accumulated Deficit) [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2008 | $ 2 |  | $ (497) | $ 77,253 | $ 125 | $ (10,778) | $ 66,105
Balance, shares at Dec. 31, 2008 | 23,174 |  | 159 |  |  |  |
Net income (loss) |  |  |  |  |  | (50,333) | (50,333)
Foreign currency translation adjustment |  |  |  |  | (7) |  | (7)
Comprehensive income (loss) |  |  |  |  |  |  | (50,340)
Sale of preferred stock and detachable warrants |  | 10,806 |  |  |  |  | 10,806
Sale of preferred stock and detachable warrants, shares |  | 16 |  |  |  |  |
Issuance costs of preferred stock and detachable warrants |  |  |  | (1,199) |  |  | (1,199)
Accretion of discount on preferred stock |  | 1,331 |  |  |  | (1,331) |
Preferred stock dividends, net of forfeitures |  |  |  |  |  | (900) | (900)
Beneficial conversion discount on preferred stock |  | (5,194) |  | 5,194 |  |  |
Stock options exercised |  |  |  | 30 |  |  | 30
Stock options exercised, shares | 100 |  |  |  |  |  |
Restricted shares issued and treasury stock purchase in payment of 2008 bonus |  |  | (48) | 481 |  |  | 433
Restricted shares issued and treasury stock purchase in payment of 2008 bonus, shares | 471 |  | 35 |  |  |  |
Restricted stock granted |  |  |  |  |  |  |
Restricted stock granted, shares | 423 |  |  |  |  |  |
Restricted stock forfeited |  |  |  |  |  |  |
Restricted stock forfeited, shares |  |  | 152 |  |  |  |
Excess (Reduction) in tax benefit related to share-based awards |  |  |  | (195) |  |  | (195)
Stock compensation expense |  |  |  | 1,731 |  |  | 1,731
Tax benefit related to convertible debt bifurcation |  |  |  | 725 |  |  | 725
Balance at Dec. 31, 2009 | 2 | 6,943 | (545) | 84,020 | 118 | (63,342) | 27,196
Balance, shares at Dec. 31, 2009 | 24,168 | 16 | 346 |  |  |  |
Net income (loss) |  |  |  |  |  | (43,465) | (43,465)
Foreign currency translation adjustment |  |  |  |  | (21) |  | (21)
Comprehensive income (loss) |  |  |  |  |  |  | (43,486)
Common stock issued in payment of debt issuance costs | 1 |  |  | 5,095 |  |  | 5,096
Common stock issued in payment of debt issuance costs, shares | 4,042 |  |  |  |  |  |
Common stock issued in exchange of convertible notes |  |  |  | 1,992 |  |  | 1,992
Common stock issued in exchange of convertible notes, shares | 1,569 |  |  |  |  |  |
Accretion of discount on preferred stock |  | 5,132 |  |  |  | (5,132) |
Preferred stock dividends, net of forfeitures |  |  |  |  |  | (1,411) | (1,411)
Stock warrants exercised | 1 |  |  | 4,452 |  |  | 4,453
Stock warrants exercised, shares | 3,923 |  |  |  |  |  |
Stock options exercised |  |  |  | 114 |  |  | 114
Stock options exercised, shares | 140 |  |  |  |  |  |
Restricted stock granted, shares | 827 |  |  |  |  |  |
Restricted stock forfeited |  |  |  |  |  |  |
Restricted stock forfeited, shares |  |  | 23 |  |  |  |
Treasury stock purchased |  |  | (347) |  |  |  | (347)
Treasury stock purchased, shares |  |  | 196 |  |  |  |
Excess (Reduction) in tax benefit related to share-based awards |  |  |  | (1,744) |  |  | (1,744)
Stock compensation expense |  |  |  | 4,684 |  |  | 4,684
Conversion of preferred stock into common stock |  | (4,795) |  | 4,795 |  |  |
Conversion of preferred stock into common stock, shares | 2,085 | (5) |  |  |  |  |
Balance at Dec. 31, 2010 | 4 | 7,280 | (892) | 103,408 | 97 | (113,350) | (3,453)
Balance, shares at Dec. 31, 2010 | 36,754 | 11 | 565 |  |  |  |
Net income (loss) |  |  |  |  |  | 31,408 | 31,408
Foreign currency translation adjustment |  |  |  |  | (141) |  | (141)
Comprehensive income (loss) |  |  |  |  |  |  | 31,267
Sale of common stock, net of issuance cost |  |  |  | 29,438 |  |  | 29,438
Sale of common stock, net of issuance cost, shares | 3,665 |  |  |  |  |  |
Common stock issued in payment of term loan debt |  |  |  | 1,398 |  |  | 1,398
Common stock issued in payment of term loan debt, shares | 171 |  |  |  |  |  |
Common stock issued in payment of convertible notes |  |  |  | 5,165 |  |  | 5,165
Common stock issued in payment of convertible notes, shares | 559 |  |  |  |  |  |
Accretion of discount on preferred stock |  | 3,925 |  |  |  | (3,925) |
Common stock issued in payment of preferred stock dividends |  |  |  | 3,254 |  |  | 3,254
Common stock issued in payment of preferred stock dividends, shares | 624 |  |  |  |  |  |
Preferred stock dividends, net of forfeitures |  |  |  |  |  | (943) | (943)
Stock warrants exercised | 3,961 |  |  | 4,793 |  |  | 4,793
Stock options exercised | 64 |  |  | 147 |  |  | 147
Restricted stock granted | 1,288 |  |  |  |  |  |
Restricted stock forfeited |  |  | 11 |  |  |  |
Treasury stock purchased |  |  | (775) |  |  |  | (775)
Treasury stock purchased, shares |  |  | 81 |  |  |  |
Excess (Reduction) in tax benefit related to share-based awards |  |  |  | 570 |  |  | 570
Stock compensation expense |  |  |  | 7,437 |  |  | 7,437
Conversion of preferred stock into common stock | 1 | (11,205) |  | 11,204 |  |  |
Conversion of preferred stock into common stock, shares | 4,872 | (11) |  |  |  |  |
Return of borrowed shares under share lending agreement, shares |  |  | 701 |  |  |  |
Balance at Dec. 31, 2011 | $ 5 |  | $ (1,667) | $ 166,814 | $ (44) | $ (86,810) | $ 78,298
Balance, shares at Dec. 31, 2011 | 51,958 |  | 1,358 |  |  |  |

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