v3.3.1.900

Net Loss Per Share Applicable to Common Stockholders (Tables) | 9 Months Ended
--- | ---
Jan. 31, 2016
Earnings Per Share [Abstract] |
Computations of Loss per Share Applicable to Common Stockholders | The following table sets forth the computations of net loss per share applicable to common stockholders for the three and nine months ended January 31, 2016 and 2015, respectively (in thousands, except net loss per share data):
| Three Months Ended January 31, |  | Nine Months Ended January 31,
| 2016 |  | 2015 |  | 2016 |  | 2015
Net loss from continuing operations | $ | (3,114 | ) |  | $ | (4,123 | ) |  | $ | (18,210 | ) |  | $ | (24,339 | )
Net loss from discontinued operations, net of tax | — |  |  | — |  |  | — |  |  | (1,257 | )
Net loss applicable to common stockholders | $ | (3,114 | ) |  | $ | (4,123 | ) |  | $ | (18,210 | ) |  | $ | (25,596 | )
Basic and diluted loss per share |  |  |  |  |  |  |
Continuing operations | $ | (0.04 | ) |  | $ | (0.05 | ) |  | $ | (0.23 | ) |  | $ | (0.31 | )
Discontinued operations | — |  |  | — |  |  | — |  |  | (0.02 | )
Basic and diluted loss per share: | $ | (0.04 | ) |  | $ | (0.05 | ) |  | $ | (0.23 | ) |  | $ | (0.33 | )
Basic and diluted weighted average number of shares outstanding | 81,096 |  |  | 78,898 |  |  | 80,649 |  |  | 78,315 |
Potentially dilutive securities (1): |  |  |  |  |  |  |
Outstanding stock options | 168 |  |  | 721 |  |  | 224 |  |  | 817 |
Restricted shares | 17 |  |  | 629 |  |  | 50 |  |  | 404 |
(1) | The impact of potentially dilutive securities on earnings per share is anti-dilutive in a period of net loss.

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration