XML 30 R21.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Share-Based Payments (Tables) | 9 Months Ended
--- | ---
Jan. 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 January 31, |  | Nine Months Ended January 31, |
| 2024 |  | 2023 |  | 2024 |  | 2023 |
General and administrative | $ | 272 |  |  | $ | 235 |  |  | $ | 487 |  |  | $ | 380 |  |
Sales and marketing | 73 |  |  | 50 |  |  | 160 |  |  | 148 |  |
Research and development | 5 |  |  | 6 |  |  | 17 |  |  | 13 |  |
Cost of oncology services | 29 |  |  | 40 |  |  | 191 |  |  | 115 |  |
Total stock-based compensation expense | $ | 379 |  |  | $ | 331 |  |  | $ | 855 |  |  | $ | 656 |  |
Summary of valuation assumptions for stock options | Black-Scholes assumptions used to calculate the fair value of options granted during the three and nine months ended January 31, 2024 and 2023 were as follows:
| Three Months Ended January 31, |  | Nine Months Ended January 31, |
| 2024 |  | 2023 |  | 2024 |  | 2023 |
Expected term in years | 6 |  | 6 |  | 6 |  | 6 |
Risk-free interest rates | 4.49% |  | 3.70% |  | 3.95% - 4.49% |  | 2.87% - 3.70% |
Volatility | 63.41% |  | 61.88% |  | 62.83% - 63.41% |  | 61.88% - 62.58% |
Dividend yield | —% |  | —% |  | —% |  | —% |
Summary of stock option activity | The Company’s stock options activity for the nine months ended January 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, 2023 | 1,739,336 |  | 36,331 |  |  |  | 1,775,667 |  |  | $ | 4.80 |  |  | 4.6 |  | $ | 2,683,000 |
Granted | 419,730 |  | — |  |  |  | 419,730 |  |  | 6.10 |  |  | 9.7 |  |
Exercised | (155,449) |  | — |  |  |  | (155,449) |  |  | 2.31 |  |  |  |  |
Forfeited | (40,750) |  | — |  |  |  | (40,750) |  |  | 6.21 |  |  |  |  |
Canceled | (41,285) |  | — |  |  |  | (41,285) |  |  | 4.44 |  |  |  |  |
Expired | (54,166) |  | — |  |  |  | (54,166) |  |  | 12.78 |  |  |  |  |
Outstanding, January 31, 2024 | 1,867,416 |  | 36,331 |  |  |  | 1,903,747 |  |  | 5.04 |  |  | 5.4 |  | $ | 3,068,000 |
Vested and expected to vest as of January 31, 2024 | 1,867,416 |  | 36,331 |  |  |  | 1,903,747 |  |  | 5.04 |  |  | 5.4 |  | $ | 3,068,000 |
Exercisable as of January 31, 2024 | 1,453,363 |  | 3,750 |  |  |  | 1,457,113 |  |  | 4.63 |  |  | 4.3 |  | $ | 3,011,000 |

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

X
- 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
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -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
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration