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Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Apr. 30, 2023 | Apr. 30, 2022
Product Information [Line Items] |  |
Revenue remaining performance obligation | $ 3,900,000 |
Revenue remaining performance obligation | $ 4,000,000.0 |
Revenue remaining performance obligation, percentage | 97.00% |
Investment securities | $ 27,790,000 | $ 49,384,000
Interest expense on the premium/discount | $ 122,000 | $ 58,000
Antidilutive securities excluded from computation of earnings per share, amount | 7,777,026 | 6,353,422
Employee Benefits and Share-Based Compensation | $ 1,500,000 | $ 1,200,000
Trade Names [Member] |  |
Product Information [Line Items] |  |
Intangible asset estimated lives | 12 years |
Customer Relationships [Member] |  |
Product Information [Line Items] |  |
Intangible asset estimated lives | 10 years |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two And Four Customers [Member] |  |
Product Information [Line Items] |  |
Concentration risk percentage | 32.00% | 49.00%
Transferred over Time [Member] |  |
Product Information [Line Items] |  |
Revenue remaining performance obligation | $ 1,000,000.0 |
Transferred at Point in Time [Member] |  |
Product Information [Line Items] |  |
Revenue remaining performance obligation | $ 1,700,000 |

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