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v3.22.2.2

Share-Based Payments - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2022 | Apr. 30, 2022
Total |  |
Outstanding, beginning balance (in shares) | 1,658,239 |
Granted (in shares) | 78,000 |
Forfeited (in shares) | (7,625) |
Canceled (in shares) | (1,875) |
Expired (in shares) | (4,584) |
Outstanding, ending balance (in shares) | 1,722,155 | 1,658,239
Vested and expected to vest (in shares) | 1,722,155 |
Exercisable (in shares) | 1,380,775 |
Weighted Average Exercise Price |  |
Outstanding, beginning balance (in dollars per share) | $ 4.51 |
Granted (in dollars per share) | 7.57 |
Forfeited (in dollars per share) | 7.73 |
Canceled (in dollars per share) | 4.63 |
Expired (in dollars per share) | 5.40 |
Outstanding, ending balance (in dollars per share) | 4.64 | $ 4.51
Vested and expected to vest (in dollars per share) | 4.64 |
Exercisable (in dollars per share) | $ 4.06 |
Weighted Average Remaining Contractual Life (Years) |  |
Outstanding (in years) | 4 years 10 months 24 days | 4 years 10 months 24 days
Outstanding, granted (in years) | 9 years 10 months 24 days |
Vested and expected to vest (in years) | 4 years 10 months 24 days |
Exercisable (in years) | 4 years 1 month 6 days |
Aggregate Intrinsic Value |  |
Outstanding | $ 7,462 | $ 6,131
Vested and expected to vest | 7,462 |
Exercisable | $ 6,846 |
Directors and Employees |  |
Total |  |
Outstanding, beginning balance (in shares) | 1,617,324 |
Granted (in shares) | 78,000 |
Forfeited (in shares) | (7,625) |
Canceled (in shares) | 0 |
Expired (in shares) | (4,584) |
Outstanding, ending balance (in shares) | 1,683,115 | 1,617,324
Vested and expected to vest (in shares) | 1,683,115 |
Exercisable (in shares) | 1,380,775 |
Non- Employees |  |
Total |  |
Outstanding, beginning balance (in shares) | 40,915 |
Granted (in shares) | 0 |
Forfeited (in shares) | 0 |
Canceled (in shares) | (1,875) |
Expired (in shares) | 0 |
Outstanding, ending balance (in shares) | 39,040 | 40,915
Vested and expected to vest (in shares) | 39,040 |
Exercisable (in shares) | 0 |

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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References No definition available. + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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