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Summary of Significant Accounting Policies (Details Narrative) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Nov. 30, 2022 | Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2022 | Oct. 30, 2022 | Oct. 31, 2021 | Jul. 31, 2022 | Apr. 30, 2022 | Apr. 30, 2021 | Aug. 31, 2020
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 10,030,000 |  | $ 10,030,000 |  |  |  | $ 7,885,000 |  |
Investment securities |  |  |  | 35,900,000 |  | 35,900,000 |  |  |  | 49,400,000 |  |
Discount and premium |  |  |  |  |  | 200,000 |  | $ 0 |  |  |  |
Investment owned at cost |  |  |  | 300,000 | $ 0 | 300,000 |  | 0 |  |  |  |
Share based compensation expense |  |  |  | 300,000 | $ 200,000 | 600,000 |  | $ 500,000 |  |  |  |
Revenue remaining performance obligation |  |  |  | 2,400,000 |  | $ 2,400,000 |  |  |  |  |  |
Revenue remaining performance obligation, percentage |  |  |  |  |  | 77.00% |  |  |  |  |  |
Antidilutive securities earnings per share |  |  |  |  |  | 6,242,465 |  | 4,928,474 |  |  |  |
Internal Revenue Service (IRS) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Reveune from IRS |  |  | $ 200,000 |  |  |  |  |  |  |  |  |
Cares Erc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Claime amount |  |  |  |  |  |  |  |  |  | 590,000 | $ 612,000 |
Other income |  |  |  |  |  |  | $ 1,202,000 |  |  |  |  |
Employee Retention Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cretain employee taxes |  | $ 5,000 |  |  |  |  |  |  |  |  |  |
Credit derivative liquidation proceeds percentage | 70.00% | 50.00% |  |  |  |  |  |  |  |  |  |
Salaries and wages | $ 10,000 | $ 10,000 |  |  |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenue remaining performance obligation |  |  |  | $ 1,800,000 |  | $ 1,800,000 |  |  |  |  |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Three and Two Customers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage |  |  |  | 80.00% | 76.00% | 69.00% |  | 73.00% |  |  |  |
Santander Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit issued amount |  |  |  |  |  |  |  |  | $ 65,000 |  |  |
Santander Bank [Member] | Letter 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit issued amount |  |  |  |  |  |  |  |  | $ 258,000 |  |  |
Santander Bank [Member] | Letter 2 [Member] | August 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding, Amount |  |  |  |  |  |  |  |  |  |  |  | $ 323,000
Foreign Financial Institutions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 5,000 |  | $ 5,000 |  |  |  |  |  |
Restricted Cash and Security Agreements [Member] | Santander Bank [Member] | Letter of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deposits |  |  |  | 154,000 |  | 154,000 |  |  |  |  |  |
Restricted Cash and Security Agreements [Member] | Santander Bank [Member] | Letter 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding, Amount |  |  |  |  |  |  |  |  |  |  |  | $ 645,000
Money Market Funds [Member] |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 10,000,000.0 |  | $ 10,000,000.0 |  |  |  | $ 7,900,000 |  |

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