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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2013
Accounting Policies [Abstract] |
Schedule of accumulated other comprehensive loss | The components of accumulated other comprehensive loss were as follows (in thousands):
| September 30, 2013 |  | December 31, 2012
Foreign currency translation adjustment | $ | (4,593 | ) |  | $ | (4,613 | )
Accumulated net unrealized loss on investments, net of tax | (1,842 | ) |  | (1,905 | )
Total accumulated other comprehensive loss | $ | (6,435 | ) |  | $ | (6,518 | )
Calculation of basic and diluted net income per share | The following table sets forth the calculation of basic and diluted net income per share (in thousands, except per share data):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
Numerator: | 2013 |  | 2012 |  | 2013 |  | 2012
Net income | $ | 11,052 |  |  | $ | 6,779 |  |  | $ | 16,935 |  |  | $ | 5,201 |
Denominator: |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income per share — weighted-average outstanding shares | 27,758 |  |  | 27,243 |  |  | 27,607 |  |  | 26,279 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock | 591 |  |  | 430 |  |  | 530 |  |  | 412 |
Denominator for diluted net income per share — weighted-average outstanding shares | 28,349 |  |  | 27,673 |  |  | 28,137 |  |  | 26,691 |
Net income per share — basic | $ | 0.40 |  |  | $ | 0.25 |  |  | $ | 0.61 |  |  | $ | 0.20 |
Net income per share — diluted | $ | 0.39 |  |  | $ | 0.24 |  |  | $ | 0.60 |  |  | $ | 0.19 |
Stock-based compensation expense for stock options and restricted stock | Stock-based compensation expense for stock options and restricted stock issued under equity incentive plans and stock purchases under the ESPP included in the Company’s results of operations were as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Cost of revenues | $ | 1,061 |  |  | $ | 849 |  |  | $ | 3,353 |  |  | $ | 1,784 |
Selling and marketing | 944 |  |  | 493 |  |  | 3,763 |  |  | 1,331 |
Software development | 1,608 |  |  | 809 |  |  | 5,439 |  |  | 1,565 |
General and administrative | 4,175 |  |  | 1,588 |  |  | 19,715 |  |  | 3,987 |
Total stock-based compensation | $ | 7,788 |  |  | $ | 3,739 |  |  | $ | 32,270 |  |  | $ | 8,667 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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