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v3.23.2

Note 9 - Fair Value - Fair Values for Investments (Details) | 6 Months Ended
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Jun. 30, 2023 USD ($)
Realized gains (losses) | $ 497,231
Changes in fair values | 1,181,956
Reported Value Measurement [Member] |
Carrying amount | 71,529,707
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |
Carrying amount | $ 71,529,707

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