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Computation of Net Loss per Common Share (Tables) | 3 Months Ended
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Jun. 30, 2014
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, 2014 and 2013 (in thousands, except per share data):
| Three months ended June 30, |
| 2014 |  |  |  | 2013 |
Numerator: |  |  |  |  |  |  |  |
Net loss | $ | (13,517 | ) |  | $ |  | (10,513 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares of common stock outstanding |  | 79,619 |  |  |  |  | 60,463 |
Weighted-average shares subject to repurchase |  | (1,931 | ) |  |  |  | (2,163 | )
Shares used in per-share calculation ― basic |  | 77,688 |  |  |  |  | 58,300 |
Shares used in per-share calculation ― diluted |  | 77,688 |  |  |  |  | 58,300 |
Net loss per share ― basic | $ | (0.17 | ) |  | $ |  | (0.18 | )
Net loss per share ― diluted | $ | (0.17 | ) |  | $ |  | (0.18 | )

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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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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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