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v3.22.2.2

Consolidated Schedule of Investments (Unaudited) - Investments (Details) (Parentheticals) | Sep. 30, 2022 | Dec. 31, 2021
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NAV % | 206.30% | 186.70%
Non-affiliate [Member] |  |
NAV % | 206.20% | 186.70%
Controlled Affiliate [Member] |  |
NAV % |  | 0.00%
Warrant [Member] | Non-affiliate [Member] |  |
NAV % | 7.20% | 8.20%
Warrant [Member] | Non-affiliate [Member] | Healthcare Information and Services Segment [Member] |  |
NAV % | 0.60% | 0.60%
Warrant [Member] | Non-affiliate [Member] | Life Science Segment [Member] |  |
NAV % | 1.80% |
Warrant [Member] | Non-affiliate [Member] | Life Science [Member] |  |
NAV % |  | 1.00%
Warrant [Member] | Non-affiliate [Member] | Sustainability Segment [Member] |  |
NAV % | 0.50% | 0.40%
Warrant [Member] | Non-affiliate [Member] | Technology Segment [Member] |  |
NAV % | 4.20% | 6.20%
Other Long-Term Investments [Member] | Non-affiliate [Member] |  |
NAV % | 0.40% | 0.10%
Other Long-Term Investments [Member] | Controlled Affiliate [Member] | Biotechnology Sector [Member] |  |
NAV % |  | 0.00%
Equity Securities [Member] | Non-affiliate [Member] |  |
NAV % | 0.70% | 0.10%
Unrestricted Short Term Investments [Member] |  |
NAV % | 2.50% | 3.20%
Restricted Short Term Investments [Member] |  |
NAV % | 0.50% | 0.60%
Debt Securities [Member] | Non-affiliate [Member] |  |
NAV % |  | 178.30%
Debt Securities [Member] | Non-affiliate [Member] | Healthcare Information and Services Segment [Member] |  |
NAV % | 10.00% |
Debt Securities [Member] | Non-affiliate [Member] | Life Science Segment [Member] |  |
NAV % |  | 77.30%
Debt Securities [Member] | Non-affiliate [Member] | Sustainability Segment [Member] |  |
NAV % |  | 18.80%
Debt Securities [Member] | Non-affiliate [Member] | Technology Segment [Member] |  |
NAV % |  | 77.20%
Debt Investments [Member] | Non-affiliate [Member] |  |
NAV % | 179.90% |
Debt Investments [Member] | Non-affiliate [Member] | Healthcare Information and Services Segment [Member] |  |
NAV % |  | 5.00%
Debt Investments [Member] | Non-affiliate [Member] | Life Science Segment [Member] |  |
NAV % | 83.00% |
Debt Investments [Member] | Non-affiliate [Member] | Sustainability Segment [Member] |  |
NAV % | 24.70% |
Debt Investments [Member] | Non-affiliate [Member] | Technology Segment [Member] |  |
NAV % | 80.20% |

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