Marketable Securities (Details - Contractual maturities) |
Jun. 30, 2021
USD ($)
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| Marketable Securities [Line Items] | |
| Fair Value | $ 80,392,494 |
| Due After One Year Through Five Years [Member] | |
| Marketable Securities [Line Items] | |
| Fair Value | 70,408,695 |
| Due After Five Years Through Ten Years [Member] | |
| Marketable Securities [Line Items] | |
| Fair Value | 2,074,020 |
| Due After Ten Years [Member] | |
| Marketable Securities [Line Items] | |
| Fair Value | $ 7,909,779 |
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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