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Share-Based Payments (Tables) | 3 Months Ended
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Jul. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Summary of allocation of share based compensation expense | Stock-based compensation expense was recognized as follows (table in thousands):
| Three Months Ended July 31, |  |  |
| 2024 |  | 2023 |  |  |  |  |
General and administrative | $ | 185 |  |  | $ | 184 |  |  |  |  |  |
Sales and marketing | 40 |  |  | 66 |  |  |  |  |  |
Research and development | 4 |  |  | 11 |  |  |  |  |  |
Cost of oncology services | 29 |  |  | 162 |  |  |  |  |  |
Total stock-based compensation expense | $ | 258 |  |  | $ | 423 |  |  |  |  |  |
Summary of valuation assumptions for stock options | Black-Scholes assumptions used to calculate the fair value of options granted during the three months ended July 31, 2024 and 2023 were as follows:
| Three Months Ended July 31, |  |  |
| 2024 |  | 2023 |  |  |  |  |
Expected term in years | 6 |  | 6 |  |  |  |  |
Risk-free interest rates | 4.48% |  | 3.95% |  |  |  |  |
Volatility | 62.72% |  | 62.83% |  |  |  |  |
Dividend yield | —% |  | —% |  |  |  |  |
Summary of stock option activity | The Company’s stock options activity for the three months ended July 31, 2024 was a s follows:
| Directors and Employees | Non- Employees |  |  | Total |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Aggregate Intrinsic Value
Outstanding, April 30, 2024 | 1,883,166 |  | 36,331 |  |  |  | 1,919,497 |  |  | $ | 5.04 |  |  | 5.2 |  | $ | 2,172,000 |
Granted | 1,000 |  | — |  |  |  | 1,000 |  |  | 4.90 |  |  | 9.8 |  |
Exercised | — |  | — |  |  |  | — |  |  | — |  |  |  |  |
Forfeited | — |  | — |  |  |  | — |  |  | — |  |  |  |  |
Canceled | (500) |  | — |  |  |  | (500) |  |  | 6.11 |  |  |  |  |
Expired | — |  | — |  |  |  | — |  |  | — |  |  |  |  |
Outstanding, July 31, 2024 | 1,883,666 |  | 36,331 |  |  |  | 1,919,997 |  |  | 5.04 |  |  | 5.0 |  | $ | 2,125,000 |
Vested and expected to vest as of July 31, 2024 | 1,883,666 |  | 36,331 |  |  |  | 1,919,997 |  |  | 5.04 |  |  | 5.0 |  | $ | 2,125,000 |
Exercisable as of July 31, 2024 | 1,551,829 |  | 3,750 |  |  |  | 1,555,579 |  |  | 4.74 |  |  | 4.1 |  | $ | 2,125,000 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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