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Computation of Net (Loss) Income Per Common Share (Tables) | 3 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Reconciliation of Numerators and Denominators of EPS Calculation | The following table reconciles the numerators and denominators of the earnings per share calculation for the three months ended June 30, 2013 and 2012 (in thousands, except per share data):
|  | Three months ended June 30, |
|  | 2013 |  |  | 2012 |
Numerator: |  |  |  |  |  |  |  |
Net loss |  | $ | (10,513 | ) |  | $ | (10,275 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares of common stock outstanding |  |  | 60,463 |  |  |  | 51,997 |
Weighted-average shares subject to repurchase |  |  | (2,163 | ) |  |  | (806 | )
Shares used in per-share calculation — basic |  |  | 58,300 |  |  |  | 51,191 |
Shares used in per-share calculation — diluted |  |  | 58,300 |  |  |  | 51,191 |
Net loss per share — basic |  | $ | (0.18 | ) |  | $ | (0.20 | )
Net loss per share — diluted |  | $ | (0.18 | ) |  | $ | (0.20 | )

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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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