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v3.25.3

Equity (Details Narrative) - USD ($) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 07, 2025 | Aug. 08, 2025 | Apr. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Aug. 30, 2024 | Mar. 21, 2024 | May 31, 2025 | Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2025 | Oct. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | $ 2,954,000 | $ 7,508,000
Proceeds from sale of shares |  |  |  |  |  |  |  |  |  |  |  | 630,000
Proceeds from convertible debt |  |  |  |  |  |  |  |  |  |  | 16,845,000 |
Principal and interest conversion amount |  |  |  |  |  |  |  |  | $ 2,000,000.0 |  | 5,200,000 |
Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes | $ 6,500,000 |  |  |  |  |  |  |  |  |  |  |
Notes additional amount available for draw | $ 8,500,000 |  |  |  |  |  |  |  |  |  |  |
May 2025 Convertible Debt Issuance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes |  |  |  |  |  |  |  | $ 10,000,000.0 |  |  |  |
Interest rate |  |  |  |  |  |  |  | 0.00% |  |  |  |
Proceeds from convertible debt |  |  |  |  |  |  |  | $ 9,700,000 |  |  |  |
Derivative liabilities |  |  |  |  |  |  |  | $ 699,000 |  |  |  |
October 2025 Convertible Debt Issuance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative liabilities |  |  |  |  |  |  |  |  | $ 489,000 |  | $ 489,000 |
2023 ATM Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price |  |  |  | $ 60,000,000.0 | $ 2,900,000 | $ 16,000,000.0 | $ 7,000,000.0 |  |  |  |  |
Proceeds from issuance |  |  | $ 18,000,000.0 |  |  |  |  |  |  |  |  |
At Market Issuance Sales Agreement [Member] | Ladenburg Thalmann & Co. Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  | $ 40,000,000.0 |  |  |  |  |  |  |  |  |  |
Ladenburg Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued, shares |  |  |  |  |  |  |  |  | 4,929,253 |  | 4,929,253 |
Proceeds from sale of shares |  |  |  |  |  |  |  |  | $ 2,700,000 |  | $ 2,700,000 |

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