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Quarterly Financial Data (unaudited) | 12 Months Ended
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Mar. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (unaudited) | 12. Quarterly Financial Data (unaudited) The following quarterly financial data, in the opinion of management, fairly presents the results for the periods presented (in thousands, except per share data):
|  | Year Ended March 31, 2017 |
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Revenue |  | $ | 891 |  |  | $ | 1,376 |  |  | $ | 1,151 |  |  | $ | 812 |
Net loss |  |  | (8,767 | ) |  |  | (9,442 | ) |  |  | (9,581 | ) |  |  | (10,657 | )
Net loss per common share - basic and diluted |  |  | (0.09 | ) |  |  | (0.10 | ) |  |  | (0.09 | ) |  |  | (0.10 | )
Weighted average shares used in computing net loss per common share—basic and diluted |  |  | 92,391,964 |  |  |  | 93,185,400 |  |  |  | 101,174,734 |  |  |  | 104,385,617 |
|  | Year Ended March 31, 2016 |
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Revenue |  | $ | 306 |  |  | $ | 301 |  |  | $ | 328 |  |  | $ | 548 |
Net loss |  |  | (8,491 | ) |  |  | (11,257 | ) |  |  | (10,455 | ) |  |  | (8,372 | )
Net loss per common share - basic and diluted |  |  | (0.10 | ) |  |  | (0.12 | ) |  |  | (0.11 | ) |  |  | (0.09 | )
Weighted average shares used in computing net loss per common share—basic and diluted |  |  | 82,993,966 |  |  |  | 92,385,150 |  |  |  | 92,396,358 |  |  |  | 92,402,668 |

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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