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v3.23.3

Note 2 - Basis of Presentation and Significant Accounting Policies (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended | 29 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 02, 2023 | Mar. 14, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 22, 2023 | Dec. 31, 2022 | Apr. 28, 2022 | Aug. 02, 2021
Investments, Nonaccrual, Interest Income |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  |
Interest Income, Operating, Paid in Kind |  |  | $ 3,900 | $ 0 | $ 6,088 | $ 0 |  |  |  |  |
Investment, Nonaccrual, Income Not Received in Cash, Percent |  |  | 5.10% | 7.00% | 4.90% | 7.50% |  |  |  |  |
Debt Issuance Costs, Net |  |  | $ 6,400 |  | $ 6,400 |  | $ 6,400 |  | $ 7,100 |  |
Accumulated Amortization, Debt Issuance Costs |  |  | 6,300 |  | 6,300 |  | $ 6,300 |  | 4,800 |  |
Amortization of Debt Issuance Costs |  |  | $ 500 | $ 400 | $ 1,433 | $ 1,142 |  |  |  |  |
Federal Excise Tax, Percent |  |  | 4.00% |  | 4.00% |  | 4.00% |  |  |  |
Investment Income, Operating, Tax Expense (Benefit) |  |  | $ 179 | $ 100 | $ 542 | 306 |  |  |  |  |
Open Tax Year |  |  |  |  | 2022 2021 2020 |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  |  | $ 65,031 | $ 67,525 |  |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  |  |  |  | $ 5,000 |
Stock Repurchased During Period, Shares (in shares) |  |  | 0 | 0 | 0 | 0 | 167,465 |  |  |  |
Stock Repurchased During Period, Per Share (in dollars per share) |  |  |  |  |  |  | $ 11.22 |  |  |  |
Stock Repurchased During Period, Value |  |  |  |  |  |  | $ 1,900 |  |  |  |
The 2021 Equity Distribution Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity Sales Agreement, Maximum Value |  |  |  |  |  |  |  |  |  |  | $ 100,000
Equity Sales Agreement, Remaining Amount Available for Issuance |  |  |  |  |  |  |  | $ 0 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  | 1,523,519 |  | 2,641,920 |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  | $ 19,000 |  | $ 33,200 |  |  |  |  |
Payments of Stock Issuance Costs |  |  |  | $ 400 |  | $ 600 |  |  |  |  |
The 2023 Equity Distribution Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity Sales Agreement, Maximum Value |  |  |  |  |  |  |  | $ 150,000 |  |  |
Equity Sales Agreement, Remaining Amount Available for Issuance |  |  | $ 146,800 |  | $ 146,800 |  | 146,800 |  |  |  |
The2023 Equity Distribution Agreement and the 2021 Equity Distribution Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 1,186,303 |  | 2,240,326 |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  | $ 13,900 |  | $ 26,100 |  |  |  |  |  |
Payments of Stock Issuance Costs |  |  | 400 |  | 700 |  |  |  |  |  |
Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 3,250,000 | 2,500,000 |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ 38,900 | $ 34,300 |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ 12.50 | $ 14.35 |  |  |  |  |  |  |  |  |
Three Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Investments, Cost, Nonaccrual Status |  |  | 43,600 |  | 43,600 |  | 43,600 |  | 20,900 |  |
Investments, Fair Value, Nonaccrual Status |  |  | $ 17,200 |  | $ 17,200 |  | $ 17,200 |  | $ 8,300 |  |

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