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v3.22.2.2

Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Oct. 31, 2022
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows. Schedule of Cash and Cash Equivalents and Restricted Cash
|  | October 31, 2022 |  |  | April 30, 2022 |
|  | (in thousands) |
Cash and cash equivalents |  | $ | 10,030 |  |  | $ | 7,885 |
Restricted cash- short term |  |  | 258 |  |  |  | 258 |
Restricted cash- long term |  |  | 219 |  |  |  | 219 |
Cash, cash equivalents, restricted cash and restricted cash equivalents |  | $ | 10,507 |  |  | $ | 8,362 |
Schedule of Investments and Unrealized Gains/Losses | The following table summarizes the Company’s marketable securities as of October 31, 2022: Schedule of Investments and Unrealized Gains/Losses
Category |  | Amortized Cost |  |  | Unrealized Gains (Losses) |  |  | Market Value |
Corporate Bonds |  | $ | 27,364 |  |  | $ | (23 | ) |  | $ | 27,341 |
Government Bonds & Notes |  |  | 5,008 |  |  | $ | — |  |  |  | 5,008 |
Government Agency |  |  | 3,496 |  |  | $ | (5 | ) |  |  | 3,491 |
Total Marketable Securities |  | $ | 35,868 |  |  | $ | (28 | ) |  | $ | 35,840 |

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