v2.4.0.8

Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2014
Stock-Based Compensation |
Schedule of stock-based compensation expense included in the unaudited condensed consolidated statements of operations |
|  | Three Months Ended March 31, |
|  | 2013 |  | 2014 |
|  | (in thousands) |
Servicing and support |  | $ | 92 |  | $ | 213 |
Technology and content development |  | 23 |  | 83 |
Program marketing and sales |  | 38 |  | 103 |
General and administrative |  | 283 |  | 796 |
Total stock-based compensation expense |  | $ | 436 |  | $ | 1,195 |
Summary of option activity |
|  | Number of Options |  | Weighted-Average Exercise Price per Share |  | Weighted-Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in thousands) |
Outstanding balance at December 31, 2013 |  | 5,883,885 |  | $ | 3.53 |  | 7.45 |  | $ | 36,884 |
Granted |  | 1,239,857 |  | 11.05 |  | 9.90 |  |  |
Exercised |  | (135,456 | ) | 1.93 |  | 6.38 |  |  |
Forfeited |  | (249,448 | ) | 1.65 |  |  |  |  |
Expired |  | — |  | — |  |  |  |  |
Outstanding balance at March 31, 2014 |  | 6,738,838 |  | 5.02 |  | 7.92 |  | 58,176 |
Exercisable at March 31, 2014 |  | 3,171,036 |  | 2.34 |  | 6.62 |  | 35,855 |
Vested and expected to vest at March 31, 2014 |  | 6,489,257 |  | 4.93 |  | 7.88 |  | 56,616 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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