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v3.22.2.2

Note 3 – Marketable Securities | 6 Months Ended
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Oct. 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 October 31, 2022:
I. | Cost, unrealized gains or losses, and fair values
|  | Cost |  | Unrealized Gains (Losses) |  | Fair Value
Asset-backed securities |  | $ | 1,663,414 |  |  | $ | (27,702 | ) |  | $ | 1,635,712 |
Corporate bonds |  |  | 31,330,997 |  |  |  | (1,663,821 | ) |  |  | 29,667,176 |
Total |  | $ | 32,994,411 |  |  | $ | (1,691,523 | ) |  | $ | 31,302,888 |
II. | Contractual Maturities
|  | One Year or Less |  | One to Five Years |  | Over Five Years |  | Total
Asset-backed securities |  | $ | — |  |  | $ | 1,635,712 |  |  | $ | — |  |  | $ | 1,635,712 |
Corporate bonds |  |  | 14,785,077 |  |  |  | 14,577,260 |  |  |  | 304,839 |  |  |  | 29,667,176 |
Total |  | $ | 14,785,077 |  |  | $ | 16,212,972 |  |  | $ | 304,839 |  |  | $ | 31,302,888 |
III. | Fair Value Hierarchy
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Asset-backed securities |  | $ | — |  |  | $ | 1,635,712 |  |  | $ | — |  |  | $ | 1,635,712 |
Corporate bonds |  |  | — |  |  |  | 29,667,176 |  |  |  | — |  |  |  | 29,667,176 |
Total |  | $ | — |  |  | $ | 31,302,888 |  |  | $ | — |  |  | $ | 31,302,888 |

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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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