v3.7.0.1

Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common stock | Treasury stock | Additional paid-in capital | Accumulated other comprehensive income (loss) | Accumulated deficit
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Apr. 30, 2014 | $ 206,462 | $ 8 | $ 0 | $ 398,201 | $ 328 | $ (192,075)
Beginning balance, Shares at Apr. 30, 2014 |  | 77,888 | (250) |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 50 |  |  |
Excess tax benefit related to stock-based expense | 6 |  |  | 6 |  |
Stock-based compensation | 12,802 |  |  | 12,802 |  |
Issuance of restricted stock awards |  | 166 |  |  |  |
Exercise of stock options and vested restricted stock units, Shares |  | 1,851 |  |  |  |
Exercise of stock options and vested restricted stock units | 5,008 | $ 0 |  | 5,008 |  |
Shares issued under employee stock plans, shares |  | 441 |  |  |  |
Shares issued under employee stock plans | 2,492 |  |  | 2,492 |  |
Change in foreign currency translation adjustment | (934) |  |  |  | (934) |
Change in unrealized gain on investments | (32) |  |  |  | (32) |
Net loss applicable to common stockholders | (34,421) |  |  |  |  | (34,421)
Ending balance, Shares at Apr. 30, 2015 |  | 80,346 | (200) |  |  |
Ending balance at Apr. 30, 2015 | 191,383 | $ 8 | $ 0 | 418,509 | (638) | (226,496)
Excess tax benefit related to stock-based expense | (38) |  |  | (38) |  |
Stock-based compensation | 15,574 |  |  | 15,574 |  |
Issuance of restricted stock awards |  | 242 |  |  |  |
Exercise of stock options and vested restricted stock units, Shares |  | 1,022 |  |  |  |
Exercise of stock options and vested restricted stock units | 849 |  |  | 849 |  |
Shares issued under employee stock plans, shares |  | 660 |  |  |  |
Shares issued under employee stock plans | 2,345 |  |  | 2,345 |  |
Change in foreign currency translation adjustment | (255) |  |  |  | (255) |
Change in unrealized gain on investments | 15 |  |  |  | 15 |
Net loss applicable to common stockholders | (25,339) |  |  |  |  | (25,339)
Ending balance, Shares at Apr. 30, 2016 |  | 82,270 | (200) |  |  |
Ending balance at Apr. 30, 2016 | 184,534 | $ 8 | $ 0 | 437,239 | (878) | (251,835)
Excess tax benefit related to stock-based expense | (155) |  |  | (155) |  |
Stock-based compensation | 16,777 |  |  | 16,777 |  |
Issuance of restricted stock awards |  | 185 |  |  |  |
Exercise of stock options and vested restricted stock units, Shares |  | 1,419 |  |  |  |
Exercise of stock options and vested restricted stock units | (115) |  |  | (115) |  |
Shares issued under employee stock plans, shares |  | 614 |  |  |  |
Shares issued under employee stock plans | 2,009 |  |  | 2,009 |  |
Change in foreign currency translation adjustment | (784) |  |  |  | (784) |
Change in unrealized gain on investments | (20) |  |  |  | (20) |
Net loss applicable to common stockholders | (15,941) |  |  |  |  | (15,941)
Ending balance, Shares at Apr. 30, 2017 |  | 84,488 | (200) |  |  |
Ending balance at Apr. 30, 2017 | $ 186,305 | $ 8 | $ 0 | $ 455,755 | $ (1,682) | $ (267,776)

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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569643-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 + Details
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