v2.4.0.6

Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $) In Thousands, unless otherwise specified | Total | Total Convertible Preferred Stock | Common Stock | Additional Paid-in Capital | Treasury Stock | Note Receivable from Stockholder | Accumulated Deficit | Non-controlling Interest | Series A convertible preferred stock | Series A-2 convertible preferred stock | Series B convertible preferred stock | Series C convertible preferred stock
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2008 (as reported) | $ (57,763) |  |  |  |  |  | $ (53,289) |  |  |  |  |
Balance (Correction of prior years cumulative error) | (906) |  |  |  |  |  | (906) |  |  |  |  |
Balance at Dec. 31, 2008 | (58,669) | 112,690 |  |  | (4,575) | (100) | (54,195) | 201 | 20,747 | 6,393 | 12,918 | 72,632
Balance (in shares) at Dec. 31, 2008 |  |  | 5,736 |  |  |  |  |  | 5,053 | 1,105 | 3,433 | 10,983
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Accretion of convertible preferred stock | (5,259) | 5,259 |  | (779) |  |  | (4,480) |  | 758 | 238 | 515 | 3,748
Issuance of common stock upon exercise of common stock warrants | 3 |  |  | 3 |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of common stock warrants (in shares) |  |  | 71 |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options | 36 |  |  | 36 |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) |  |  | 26 |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 740 |  |  | 740 |  |  |  |  |  |  |  |
Interest accrued on note receivable from stockholder | (3) |  |  |  |  | (3) |  |  |  |  |  |
Non-controlling interest distribution | (398) |  |  |  |  |  |  | (398) |  |  |  |
Net income | 1,142 |  |  |  |  |  | 748 | 394 |  |  |  |
Balance at Dec. 31, 2009 | (62,408) | 117,949 |  |  | (4,575) | (103) | (57,927) | 197 | 21,505 | 6,631 | 13,433 | 76,380
Balance (in shares) at Dec. 31, 2009 |  |  | 5,833 |  |  |  |  |  | 5,053 | 1,105 | 3,433 | 10,983
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Accretion of convertible preferred stock | (5,020) | 5,020 |  | (869) |  |  | (4,151) |  | 758 | 237 | 515 | 3,510
Issuance of common stock upon exercise of stock options | 2 |  |  | 2 |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) |  |  | 2 |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 867 |  |  | 867 |  |  |  |  |  |  |  |
Non-controlling interest distribution | (547) |  |  |  |  |  |  | (547) |  |  |  |
Net income | 16,121 |  |  |  |  |  | 15,574 | 547 |  |  |  |
Balance at Dec. 31, 2010 | (50,985) | 122,969 |  |  | (4,575) | (103) | (46,504) | 197 | 22,263 | 6,868 | 13,948 | 79,890
Balance (in shares) at Dec. 31, 2010 |  |  | 5,835 |  |  |  |  |  | 5,053 | 1,105 | 3,433 | 10,983
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Accretion of convertible preferred stock | (1,633) | 1,633 |  |  |  |  | (1,633) |  | 258 | 82 | 176 | 1,117
Issuance of common stock upon conversion of preferred stock | 124,602 | (124,602) | 2 | 124,600 |  |  |  |  | (22,521) | (6,950) | (14,124) | (81,007)
Issuance of common stock upon conversion of preferred stock (in shares) |  |  | 22,846 |  |  |  |  |  | (5,053) | (1,105) | (3,433) | (10,983)
Issuance of common stock upon initial public offering | 48,297 |  | 1 | 48,296 |  |  |  |  |  |  |  |
Issuance of common stock upon initial public offering (in shares) |  |  | 3,847 |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise and conversion of preferred stock warrants | 272 |  |  | 272 |  |  |  |  |  |  |  |
Issuance of common stock upon exercise and conversion of preferred stock warrants (in shares) |  |  | 20 |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of common stock warrants (in shares) |  |  | 21 |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options | 1,028 |  |  | 1,028 |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) |  |  | 1,015 |  |  |  |  |  |  |  |  |
Offering costs | (2,596) |  |  | (2,596) |  |  |  |  |  |  |  |
Stock-based compensation expense | 3,450 |  |  | 3,450 |  |  |  |  |  |  |  |
Retirement of treasury stock |  |  |  | (4,575) | 4,575 |  |  |  |  |  |  |
Forgiveness of note receivable from stockholder | 103 |  |  |  |  | 103 |  |  |  |  |  |
Excess tax benefits from stock-based compensation | 246 |  |  | 246 |  |  |  |  |  |  |  |
Non-controlling interest distribution | (642) |  |  |  |  |  |  | (642) |  |  |  |
Net income | 6,937 |  |  |  |  |  | 6,295 | 642 |  |  |  |
Balance at Dec. 31, 2011 | $ 129,079 | $ 0 | $ 3 | $ 170,721 |  |  | $ (41,842) | $ 197 |  |  |  |
Balance (in shares) at Dec. 31, 2011 |  |  | 33,584 |  |  |  |  |  |  |  |  |

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