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Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2024
Equity [Abstract] |
Summary of Common Stock | The following table summarizes the cumulative total shares issued, net proceeds received, and weighted average offering price in public offerings of the Company’s common stock since the IPO in June 2011, except for the issuances under the ATM Program as described further below.
Period |  | Cumulative Number of Shares |  |  | Cumulative Gross Proceeds |  |  | Cumulative Underwriting Fees and Commissions and Offering Costs (1) |  |  | Weighted Average Offering Price |
Cumulative since IPO |  |  | 14,388,414 |  |  | $ | 236,597 |  |  | $ | 8,989 |  |  | $ | 16.44 |
(1) Fidus Investment Advisors, LLC agreed to bear a cumulative of $1,925 of underwriting fees and commissions and offering costs associated with these offerings (such amounts are not included in the number reported above). All such payments made by Fidus Investment Advisors, LLC are not subject to reimbursement by the Company.
Summary of Equity ATM Program | The gross proceeds raised, the related sales agent commissions and the offering expenses, the net proceeds raised, and the average price at which shares were issued under the ATM Program for the years ended December 31, 2024, 2023 and 2022 are as follows:
|  |  |  |  | Average |  |  |  |  |  | Underwriting |  |  |  |
|  | Number of |  |  | Offering |  |  | Gross |  |  | Fees and |  |  | Net |
|  | Shares |  |  | Price |  |  | Proceeds |  |  | Commissions |  |  | Proceeds |
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 1, 2022 through March 31, 2022 |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
April 1, 2022 through June 30, 2022 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
July 1, 2022 through September 30, 2022 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
October 1, 2022 through December 31, 2022 |  |  | 290,388 |  |  |  | 20.32 |  |  |  | 5,900 |  |  |  | 89 |  |  |  | 5,811 |
Total |  |  | 290,388 |  |  | $ | 20.32 |  |  | $ | 5,900 |  |  | $ | 89 |  |  | $ | 5,811 |
Year Ended December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 1, 2023 through March 31, 2023 |  |  | 260,610 |  |  | $ | 20.68 |  |  | $ | 5,389 |  |  | $ | 81 |  |  | $ | 5,308 |
April 1, 2023 through June 30, 2023 |  |  | 246,574 |  |  |  | 19.93 |  |  |  | 4,914 |  |  |  | 74 |  |  |  | 4,840 |
July 1, 2023 through September 30, 2023 |  |  | 3,187,661 |  |  |  | 19.54 |  |  |  | 62,277 |  |  |  | 779 |  |  |  | 61,498 |
October 1, 2023 through December 31, 2023 |  |  | 1,985,510 |  |  |  | 19.79 |  |  |  | 39,292 |  |  |  | 553 |  |  |  | 38,739 |
Total |  | $ | 5,680,355 |  |  | $ | 19.69 |  |  | $ | 111,872 |  |  | $ | 1,487 |  |  | $ | 110,385 |
Year Ended December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 1, 2024 through March 31, 2024 |  |  | 987,170 |  |  | $ | 19.66 |  |  | $ | 19,408 |  |  | $ | 228 |  |  | $ | 19,180 |
April 1, 2024 through June 30, 2024 |  |  | 1,691,336 |  |  |  | 19.80 |  |  |  | 33,489 |  |  |  | 458 |  |  |  | 33,031 |
July 1, 2024 through September 30, 2024 |  |  | 714,995 |  |  |  | 20.01 |  |  |  | 14,304 |  |  |  | 215 |  |  |  | 14,089 |
October 1, 2024 through December 31, 2024 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 3,393,501 |  |  | $ | 19.80 |  |  | $ | 67,201 |  |  | $ | 901 |  |  | $ | 66,300 |

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