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Equity and Earnings Per Share - Equity Incentive Plans (Details) - shares	3 Months Ended	11 Months Ended
	Jul. 31, 2026	Apr. 30, 2026
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized (in shares)	1,083,334
Number of shares issued (in shares)	413,204
Remaining Available (in shares)	652,535
Award options outstanding (in shares)	381,231
RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
RSUs outstanding (in shares)	364,966
Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	16,265
Options \| NQSO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	12,864
Options \| ISO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	3,401
2026 Inducement Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized (in shares)	1,000,000
Number of shares issued (in shares)	363,636
Remaining Available (in shares)	636,364
Award options outstanding (in shares)	363,636
2026 Inducement Plan \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
RSUs outstanding (in shares)	363,636
2026 Inducement Plan \| Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	0
2017 Equity Plan and 2021 Equity Plan \| NQSO \| Employee And Consultant
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Contract term		10 years
2017 Equity Plan and 2021 Equity Plan \| NQSO \| Employee And Consultant \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		1 month
2017 Equity Plan and 2021 Equity Plan \| NQSO \| Employee And Consultant \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		32 months
2021 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized (in shares)	55,556
Number of shares issued (in shares)	35,927
Remaining Available (in shares)	7,130
Award options outstanding (in shares)	12,499
2021 Equity Incentive Plan \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
RSUs outstanding (in shares)	1,330
2021 Equity Incentive Plan \| Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	11,169
2021 Equity Incentive Plan \| Options \| NQSO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	7,768
2021 Equity Incentive Plan \| Options \| ISO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	3,401
2017 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized (in shares)	27,778
Number of shares issued (in shares)	13,641
Remaining Available (in shares)	9,041
Award options outstanding (in shares)	5,096
2017 Equity Incentive Plan \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
RSUs outstanding (in shares)	0
2017 Equity Incentive Plan \| Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	5,096
2017 Equity Incentive Plan \| Options \| NQSO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	5,096
2017 Equity Incentive Plan \| Options \| ISO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award options outstanding (in shares)	0