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v3.25.2

Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Apr. 30, 2025 USD ($) Segment | Apr. 30, 2024 USD ($)
Significant Accounting Policies [Line Items] |  |
Depreciation expense | $ 7,968,000 | $ 11,560,000
Administrative costs paid to third party | 4,878,000 | 799,000
Restricted cash | 334,000 | 334,000
Allowance for uncollectible accounts receivable | 3,193,000 | 500,000
Impairment of long-lived assets | $ 0 | $ 0
Number of reportable segment | Segment | 1 |
Number of operating segment | Segment | 1 |
Segment Reporting, Expense Information Used by CODM, Description | The Company’s Chief Executive Officer reviews financial information presented on a consolidated basis and in a consistent manner with that is included in the consolidated statements of operations and comprehensive loss for purposes of assessing performance and making decisions on how to allocate resources. As the Company operates as one operating segment, all required segment financial information, such as revenues and significant operating expenses, is found in the accompanying consolidated financial statements. For the periods presented, all of the Company’s long-lived assets were located in the United States, and all revenues from leasing of ASSURE© System devices to patients were earned in the United States. The accounting policies for segment reporting are the same as for the Company as a whole. |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember |
Costs of Revenue |  |
Significant Accounting Policies [Line Items] |  |
Depreciation expense | $ 1,208,000 |
Medical Rental Equipment | Minimum |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 2 years | 1 year 6 months
Medical Rental Equipment | Maximum |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 8 years | 7 years
Therapy Cables |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 2 years |
Batteries |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 2 years |
Batteries | Costs of Revenue |  |
Significant Accounting Policies [Line Items] |  |
Depreciation expense | $ 198,000 |
Batteries | Minimum |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 2 years |
Batteries | Maximum |  |
Significant Accounting Policies [Line Items] |  |
Estimated useful life | 6 years |
Credit Card Collateralization |  |
Significant Accounting Policies [Line Items] |  |
Restricted cash | $ 225,000 | $ 225,000
Lease Agreements | Letter of Credit |  |
Significant Accounting Policies [Line Items] |  |
Cash security deposit | 109,000 | $ 109,000
IPO |  |
Significant Accounting Policies [Line Items] |  |
IPO offering costs | 5,398,000 |
IPO offering costs in accounts payable and accrued expenses | $ 1,875,000 |

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