Investments - Summary of Changes in Assets Measured at Fair Value Using Significant Unobservable Inputs (Details) - USD ($)
|
9 Months Ended |
Sep. 30, 2025 |
Sep. 30, 2024 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date |
$ (11,902,301)
|
$ (776,811)
|
| Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
70,818,041
|
69,816,062
|
| Total realized (losses) gains, net |
(2,001,997)
|
6,148,837
|
| Total unrealized (losses) gains |
(11,902,301)
|
3,332,234
|
| Purchases of securities/changes to securities/non-cash conversions |
5,203,762
|
12,430,020
|
| Repayments and sales of securities |
(17,786,633)
|
(16,691,586)
|
| Ending balance, of Level 3 Assets |
44,330,872
|
75,035,567
|
| Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date |
(4,532,316)
|
1,460,229
|
| Level 3 | Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
134,806
|
|
| Level 3 | BlackJet |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
2,501,187
|
|
| Level 3 | Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
250,000
|
| Purchases of securities/changes to securities/non-cash conversions |
21,344
|
|
| Level 3 | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(3,829,281)
|
(610,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
1,053,470
|
107,619
|
| Repayments and sales of securities |
|
(34,838)
|
| Level 3 | Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
448,972
|
434,064
|
| Level 3 | Carolina Skiff |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(442,755)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
34,755
|
|
| Level 3 | FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
484,837
|
|
| Purchases of securities/changes to securities/non-cash conversions |
38,031
|
34,499
|
| Level 3 | Filterworks |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
(396,226)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
193,885
|
| Level 3 | GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(25)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
10,830
|
10,722
|
| Level 3 | Hilton Displays |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
|
16,069
|
| Repayments and sales of securities |
(1,071,824)
|
|
| Level 3 | Highland |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
97,289
|
93,776
|
| Level 3 | EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
488,235
|
|
| Purchases of securities/changes to securities/non-cash conversions |
17,177
|
33,995
|
| Level 3 | ITA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(875,000)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
375,000
|
771,009
|
| Level 3 | DSD |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
23,699
|
| Repayments and sales of securities |
|
(23,699)
|
| Level 3 | Knoa |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
(1,229,155)
|
| Total unrealized (losses) gains |
|
1,129,155
|
| Level 3 | Mezmeriz |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
(742,850)
|
| Total unrealized (losses) gains |
|
742,850
|
| Level 3 | Lumious |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(77,314)
|
|
| Repayments and sales of securities |
(712,630)
|
|
| Level 3 | Mattison |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
|
5,572,902
|
| Repayments and sales of securities |
(5,572,902)
|
(1,894,470)
|
| Level 3 | Microcision |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
55,357
|
|
| Repayments and sales of securities |
(55,357)
|
|
| Level 3 | Mobile IV Nurses |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
125,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
19,054
|
|
| Level 3 | MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(739,352)
|
(264,545)
|
| Purchases of securities/changes to securities/non-cash conversions |
359,419
|
3,213,545
|
| Level 3 | Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
870,000
|
|
| Total unrealized (losses) gains |
(720,000)
|
720,000
|
| Purchases of securities/changes to securities/non-cash conversions |
22,445
|
52,129
|
| Repayments and sales of securities |
(2,625,150)
|
(1,427,452)
|
| Level 3 | SciAps |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
7,699,879
|
| Repayments and sales of securities |
|
(1,291,386)
|
| Level 3 | Seybert |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
256,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
69,983
|
1,895,806
|
| Repayments and sales of securities |
(7,748,770)
|
|
| Level 3 | Tilson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(2,850,015)
|
397,264
|
| Total unrealized (losses) gains |
(6,649,985)
|
1,761,000
|
| Repayments and sales of securities |
|
(397,264)
|
| Level 3 | Loan investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
15,037,873
|
12,417,977
|
| Total realized (losses) gains, net |
(77,314)
|
|
| Total unrealized (losses) gains |
(875,000)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
720,710
|
6,777,975
|
| Repayments and sales of securities |
(6,285,532)
|
(1,894,470)
|
| Transfers within Level 3 |
(4,799,278)
|
|
| Ending balance, of Level 3 Assets |
3,721,459
|
17,301,482
|
| Level 3 | Loan investments | Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
21,344
|
|
| Level 3 | Loan investments | Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
324,366
|
434,064
|
| Level 3 | Loan investments | ITA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(875,000)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
375,000
|
771,009
|
| Level 3 | Loan investments | Lumious |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(77,314)
|
|
| Repayments and sales of securities |
(712,630)
|
|
| Level 3 | Loan investments | Mattison |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
|
5,572,902
|
| Repayments and sales of securities |
(5,572,902)
|
(1,894,470)
|
| Level 3 | Debt investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
38,043,721
|
36,861,525
|
| Total unrealized (losses) gains |
(3,586,177)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
4,198,297
|
5,279,881
|
| Repayments and sales of securities |
(10,545,744)
|
(3,552,290)
|
| Transfers within Level 3 |
4,799,278
|
|
| Ending balance, of Level 3 Assets |
32,909,375
|
38,589,116
|
| Level 3 | Debt investments | Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
134,806
|
|
| Level 3 | Debt investments | BlackJet |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
2,251,187
|
|
| Level 3 | Debt investments | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(3,331,662)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
1,053,470
|
|
| Repayments and sales of securities |
|
(34,838)
|
| Level 3 | Debt investments | Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
124,606
|
|
| Level 3 | Debt investments | FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
484,837
|
|
| Purchases of securities/changes to securities/non-cash conversions |
38,031
|
34,499
|
| Level 3 | Debt investments | Filterworks |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
|
193,885
|
| Level 3 | Debt investments | GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
10,830
|
10,722
|
| Level 3 | Debt investments | Hilton Displays |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
|
16,069
|
| Repayments and sales of securities |
(1,071,824)
|
|
| Level 3 | Debt investments | Highland |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
97,289
|
93,776
|
| Level 3 | Debt investments | EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
17,177
|
33,995
|
| Level 3 | Debt investments | Mobile IV Nurses |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
19,054
|
|
| Level 3 | Debt investments | MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(739,352)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
359,419
|
2,949,000
|
| Level 3 | Debt investments | Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
22,445
|
52,129
|
| Repayments and sales of securities |
(1,725,150)
|
(1,427,452)
|
| Level 3 | Debt investments | SciAps |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(2,090,000)
|
| Level 3 | Debt investments | Seybert |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
69,983
|
1,895,806
|
| Repayments and sales of securities |
(7,748,770)
|
|
| Level 3 | Equity investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
17,736,447
|
20,536,560
|
| Total realized (losses) gains, net |
$ (1,924,683)
|
6,148,837
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Realized Investment Gains (Losses)
|
|
| Total unrealized (losses) gains |
$ (7,441,124)
|
$ 3,332,234
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date
|
Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date
|
| Purchases of securities/changes to securities/non-cash conversions |
$ 284,755
|
$ 372,164
|
| Repayments and sales of securities |
(955,357)
|
(11,244,826)
|
| Ending balance, of Level 3 Assets |
7,700,038
|
19,144,969
|
| Level 3 | Equity investments | BlackJet |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
250,000
|
|
| Level 3 | Equity investments | Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
250,000
|
| Level 3 | Equity investments | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(497,619)
|
(610,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
107,619
|
| Level 3 | Equity investments | Carolina Skiff |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(442,755)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
34,755
|
|
| Level 3 | Equity investments | Filterworks |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
(396,226)
|
| Level 3 | Equity investments | GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(25)
|
|
| Level 3 | Equity investments | EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
488,235
|
|
| Level 3 | Equity investments | DSD |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
23,699
|
| Repayments and sales of securities |
|
(23,699)
|
| Level 3 | Equity investments | Knoa |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
(1,229,155)
|
| Total unrealized (losses) gains |
|
1,129,155
|
| Level 3 | Equity investments | Mezmeriz |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
(742,850)
|
| Total unrealized (losses) gains |
|
742,850
|
| Level 3 | Equity investments | Microcision |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
55,357
|
|
| Repayments and sales of securities |
(55,357)
|
|
| Level 3 | Equity investments | Mobile IV Nurses |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
125,000
|
|
| Level 3 | Equity investments | MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
(264,545)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
264,545
|
| Level 3 | Equity investments | Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
870,000
|
|
| Total unrealized (losses) gains |
(720,000)
|
720,000
|
| Repayments and sales of securities |
(900,000)
|
|
| Level 3 | Equity investments | SciAps |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
|
7,699,879
|
| Repayments and sales of securities |
|
(10,823,863)
|
| Level 3 | Equity investments | Seybert |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
256,000
|
|
| Level 3 | Equity investments | Tilson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized (losses) gains, net |
(2,850,015)
|
397,264
|
| Total unrealized (losses) gains |
$ (6,649,985)
|
1,761,000
|
| Repayments and sales of securities |
|
$ (397,264)
|