v2.4.0.6

Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $) In Thousands, except Share data, unless otherwise specified | Total | Series A Convertible Preferred Stock | Series A-2 Convertible Preferred Stock | Series B Convertible Preferred Stock | Series C Convertible Preferred Stock | Total Convertible Preferred Stock | Common Stock | Additional Paid-in Capital | Treasury Stock | Note Receivable from Stockholder | Accumulated Deficit | Non-controlling Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ (62,408) | $ 21,505 | $ 6,631 | $ 13,433 | $ 76,380 | $ 117,949 |  |  | $ (4,575) | $ (103) | $ (57,927) | $ 197
Balance (in shares) at Dec. 31, 2009 |  | 5,053,000 | 1,105,000 | 3,433,000 | 10,983,000 |  | 5,833,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Accretion of convertible preferred stock | (5,020) | 758 | 237 | 515 | 3,510 | 5,020 |  | (869) |  |  | (4,151) |
Issuance of common stock upon exercise of stock options | 2 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) |  |  |  |  |  |  | 2,000 | 2,000 |  |  |  |
Stock-based compensation expense | 867 |  |  |  |  |  |  | 867 |  |  |  |
Non-controlling interest distributions | (547) |  |  |  |  |  |  |  |  |  |  | (547)
Net income | 16,121 |  |  |  |  |  |  |  |  |  | 15,574 | 547
Balance at Dec. 31, 2010 | (50,985) | 22,263 | 6,868 | 13,948 | 79,890 | 122,969 |  |  | (4,575) | (103) | (46,504) | 197
Balance (in shares) at Dec. 31, 2010 |  | 5,053,000 | 1,105,000 | 3,433,000 | 10,983,000 |  | 5,835,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Accretion of convertible preferred stock | (1,633) | 258 | 82 | 176 | 1,117 | 1,633 |  |  |  |  | (1,633) |
Issuance of common stock upon conversion of preferred stock | 124,602 | (22,521) | (6,950) | (14,124) | (81,007) | (124,602) | 2 | 124,600 |  |  |  |
Issuance of common stock upon conversion of preferred stock (in shares) |  | (5,053,000) | (1,105,000) | (3,433,000) | (10,983,000) |  | 22,846,000 |  |  |  |  |
Issuance of common stock upon initial public offering | 48,297 |  |  |  |  |  | 1 | 48,296 |  |  |  |
Issuance of common stock upon initial public offering (in shares) |  |  |  |  |  |  | 3,847,000 |  |  |  |  |
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) |  |  |  |  |  |  | 20,000 |  |  |  |  |
Issuance of common stock upon exercise of common stock warrants (in shares) |  |  |  |  |  |  | 21,000 |  |  |  |  |
Issuance of common stock upon exercise of stock options | 1,028 |  |  |  |  |  |  | 1,028 |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) | 1,015,000 |  |  |  |  |  | 1,015,000 |  |  |  |  |
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 distributions | (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 |  |  |  |  |  |  | 33,584,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon exercise of stock options | 2,574 |  |  |  |  |  | 1 | 2,573 |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) | 1,899,000 |  |  |  |  |  | 1,899,000 |  |  |  |  |
Stock-based compensation expense | 2,735 |  |  |  |  |  |  | 2,735 |  |  |  |
Excess tax benefits from stock-based compensation | 2,190 |  |  |  |  |  |  | 2,190 |  |  |  |
Non-controlling interest distributions | (103) |  |  |  |  |  |  |  |  |  |  | (103)
Net income | 8,024 |  |  |  |  |  |  |  |  |  | 7,295 | 729
Balance at Dec. 31, 2012 | $ 144,499 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 4 | $ 178,219 |  |  | $ (34,547) | $ 823
Balance (in shares) at Dec. 31, 2012 |  |  |  | 0 | 0 | 0 | 35,483,000 |  |  |  |  |

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