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v3.22.2.2

Note 3 – Marketable Securities | 3 Months Ended
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Jul. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Note 3 – Marketable Securities | Note 3 – Marketable Securities The following tables set forth information related to our marketable securities as of July 31, 2022:
I. | Cost, unrealized gains or losses, and fair values
|  | Cost |  | Unrealized Gains (Losses) |  | Fair Value
Asset-backed securities |  | $ | 2,504,563 |  |  | $ | (35,324 | ) |  | $ | 2,469,239 |
Corporate bonds |  |  | 35,544,776 |  |  |  | (1,305,388 | ) |  |  | 34,239,388 |
Total |  | $ | 38,049,339 |  |  | $ | (1,340,712 | ) |  | $ | 36,708,627 |
II. | Contractual Maturities
|  | One Year or Less |  | One to Five Years |  | Over Five Years |  | Total
Asset-backed securities |  | $ | — |  |  | $ | 2,469,239 |  |  | $ | — |  |  | $ | 2,469,239 |
Corporate bonds |  |  | 16,876,795 |  |  |  | 16,804,473 |  |  |  | 558,120 |  |  |  | 34,239,388 |
Total |  | $ | 16,876,795 |  |  | $ | 19,273,712 |  |  | $ | 558,120 |  |  | $ | 36,708,627 |
III. | Fair Value Hierarchy
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Asset-backed securities |  | $ | — |  |  | $ | 2,469,239 |  |  | $ | — |  |  | $ | 2,469,239 |
Corporate bonds |  |  | — |  |  |  | 34,239,388 |  |  |  | — |  |  |  | 34,239,388 |
Total |  | $ | — |  |  | $ | 36,708,627 |  |  | $ | — |  |  | $ | 36,708,627 |

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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