| Schedule of fair value marketable securities |
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Fair Value Measurements Using |
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Balance as of September 30, 2022 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) |
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Significant Other Observable Inputs (Level 2) |
| Marketable securities: |
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| Corporate bonds |
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$ |
2,418,689 |
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$ |
— |
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$ |
2,418,689 |
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| Certificates of Deposits |
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492,247 |
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— |
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492,247 |
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| Total marketable securities |
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$ |
2,910,936 |
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|
$ |
— |
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|
$ |
2,910,936 |
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