Investments - Summary of Changes in Portfolio Investment Assets Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Details) - Level 3 - USD ($)
|
9 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
$ 48,480,496
|
$ 70,818,041
|
| Total realized losses, net |
13,635
|
(2,001,997)
|
| Total unrealized gains (losses) |
45,157
|
(11,902,301)
|
| Purchases of securities/changes to securities/non-cash conversions |
12,491,536
|
5,203,762
|
| Repayments and sales of securities |
(4,294,769)
|
(17,786,633)
|
| Ending balance, of Level 3 Assets |
56,736,055
|
44,330,872
|
| Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date |
1,613,483
|
(4,532,316)
|
| Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(1,523,457)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
123,886
|
134,806
|
| Bauer |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
988,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
1,800
|
|
| BlackJet |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
16,519
|
2,501,187
|
| Repayments and sales of securities |
(250,000)
|
|
| AME Holdco, LLC |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
4,000,000
|
|
| Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
(2,020,884)
|
|
| Total unrealized gains (losses) |
(516,667)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
32,964
|
21,344
|
| FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
(3,829,281)
|
| Purchases of securities/changes to securities/non-cash conversions |
400,000
|
1,053,470
|
| Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
50,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
127,112
|
448,972
|
| Carolina Skiff |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
3,112
|
|
| Total unrealized gains (losses) |
|
(442,755)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
34,755
|
| Repayments and sales of securities |
(3,112)
|
|
| FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
484,837
|
| Purchases of securities/changes to securities/non-cash conversions |
42,071
|
38,031
|
| GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
(25)
|
| Purchases of securities/changes to securities/non-cash conversions |
13,983
|
10,830
|
| Hilton Displays |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(1,071,824)
|
| All About People |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
400,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
101,294
|
97,289
|
| EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
700,000
|
488,235
|
| Purchases of securities/changes to securities/non-cash conversions |
8,480
|
17,177
|
| ITA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(400,000)
|
(875,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
375,000
|
| OnCore |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(100,000)
|
|
| Mattison |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(5,572,902)
|
| Microcision |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
55,357
|
| Repayments and sales of securities |
|
(55,357)
|
| Mobile IV Nurses |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
125,000
|
| Purchases of securities/changes to securities/non-cash conversions |
19,249
|
19,054
|
| MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(403,000)
|
(739,352)
|
| Purchases of securities/changes to securities/non-cash conversions |
680,924
|
359,419
|
| Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
870,000
|
| Total unrealized gains (losses) |
|
(720,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
22,445
|
| Repayments and sales of securities |
|
(2,625,150)
|
| Seybert |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
1,072,459
|
|
| Total unrealized gains (losses) |
(1,051,659)
|
256,000
|
| Purchases of securities/changes to securities/non-cash conversions |
|
69,983
|
| Repayments and sales of securities |
(1,316,459)
|
(7,748,770)
|
| Applied Image, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
958,948
|
|
| Repayments and sales of securities |
(2,708,948)
|
|
| 4 Seasons |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
200,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
4,516,250
|
|
| Repayments and sales of securities |
(16,250)
|
|
| Open Exchange, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
701,940
|
|
| Verta |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
1,000,000
|
|
| Termite Guy |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
2,407,004
|
|
| Lumious |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
(77,314)
|
| Repayments and sales of securities |
|
(712,630)
|
| Tilson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
(2,850,015)
|
| Total unrealized gains (losses) |
|
(6,649,985)
|
| Loan investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
3,154,587
|
15,037,873
|
| Total realized losses, net |
(1,787,551)
|
(77,314)
|
| Total unrealized gains (losses) |
(400,000)
|
(875,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
32,964
|
720,710
|
| Repayments and sales of securities |
0
|
(6,285,532)
|
| Transfers within Level 3 |
|
(4,799,278)
|
| Ending balance, of Level 3 Assets |
1,000,000
|
3,721,459
|
| Loan investments | Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
(1,787,551)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
32,964
|
21,344
|
| 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
|
| Loan investments | ITA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(400,000)
|
(875,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
375,000
|
| Loan investments | Mattison |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(5,572,902)
|
| Loan investments | Lumious |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
(77,314)
|
| Repayments and sales of securities |
|
(712,630)
|
| Debt investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
35,302,967
|
38,043,721
|
| Total unrealized gains (losses) |
(1,726,457)
|
(3,586,177)
|
| Purchases of securities/changes to securities/non-cash conversions |
11,108,572
|
4,198,297
|
| Repayments and sales of securities |
(2,016,250)
|
(10,545,744)
|
| Transfers within Level 3 |
|
4,799,278
|
| Ending balance, of Level 3 Assets |
42,668,832
|
32,909,375
|
| Debt investments | Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(1,523,457)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
123,886
|
134,806
|
| Debt investments | Bauer |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
1,800
|
|
| 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 |
16,519
|
2,251,187
|
| Repayments and sales of securities |
(250,000)
|
|
| Debt investments | AME Holdco, LLC |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
3,000,000
|
|
| Debt investments | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
(3,331,662)
|
| Purchases of securities/changes to securities/non-cash conversions |
400,000
|
1,053,470
|
| 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 |
77,112
|
124,606
|
| Debt investments | FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
484,837
|
| Purchases of securities/changes to securities/non-cash conversions |
42,071
|
38,031
|
| 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 |
13,983
|
10,830
|
| Debt investments | Hilton Displays |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(1,071,824)
|
| Debt investments | All About People |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
101,294
|
97,289
|
| 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 |
8,480
|
17,177
|
| 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 |
19,249
|
19,054
|
| Debt investments | MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(403,000)
|
(739,352)
|
| Purchases of securities/changes to securities/non-cash conversions |
680,924
|
359,419
|
| 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
|
| Repayments and sales of securities |
|
(1,725,150)
|
| 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
|
| Repayments and sales of securities |
|
(7,748,770)
|
| Debt investments | Applied Image, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
(1,750,000)
|
|
| Debt investments | 4 Seasons |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
200,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
4,516,250
|
|
| Repayments and sales of securities |
(16,250)
|
|
| Debt investments | Termite Guy |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
2,107,004
|
|
| Equity investments |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Ending balance, of Level 3 Assets |
10,022,942
|
17,736,447
|
| Total realized losses, net |
$ 1,801,186
|
$ (1,924,683)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Realized Gain (Loss), Investment and Derivative, Operating, before Tax
|
Realized Gain (Loss), Investment and Derivative, Operating, before Tax
|
| Total unrealized gains (losses) |
$ 2,171,614
|
$ (7,441,124)
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax
|
Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax
|
| Purchases of securities/changes to securities/non-cash conversions |
$ 1,350,000
|
$ 284,755
|
| Repayments and sales of securities |
(2,278,519)
|
(955,357)
|
| Ending balance, of Level 3 Assets |
13,067,223
|
7,700,038
|
| Equity investments | Bauer |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
988,000
|
|
| 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
|
| Equity investments | AME Holdco, LLC |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
1,000,000
|
|
| Equity investments | Swanson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
(233,333)
|
|
| Total unrealized gains (losses) |
(516,667)
|
|
| Equity investments | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
(497,619)
|
| Equity investments | Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
50,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
50,000
|
|
| Equity investments | Carolina Skiff |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
3,112
|
|
| Total unrealized gains (losses) |
|
(442,755)
|
| Purchases of securities/changes to securities/non-cash conversions |
|
34,755
|
| Repayments and sales of securities |
(3,112)
|
|
| Equity investments | GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
(25)
|
| Equity investments | All About People |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
400,000
|
|
| Equity investments | EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
700,000
|
488,235
|
| Equity investments | OnCore |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
(100,000)
|
|
| Equity investments | Microcision |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
55,357
|
| Repayments and sales of securities |
|
(55,357)
|
| Equity investments | Mobile IV Nurses |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
|
125,000
|
| Equity investments | Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
870,000
|
| Total unrealized gains (losses) |
|
(720,000)
|
| Repayments and sales of securities |
|
(900,000)
|
| Equity investments | Seybert |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
1,072,459
|
|
| Total unrealized gains (losses) |
(1,051,659)
|
256,000
|
| Repayments and sales of securities |
(1,316,459)
|
|
| Equity investments | Applied Image, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
958,948
|
|
| Repayments and sales of securities |
(958,948)
|
|
| Equity investments | Open Exchange, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
701,940
|
|
| Equity investments | Verta |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized gains (losses) |
1,000,000
|
|
| Equity investments | Termite Guy |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
$ 300,000
|
|
| Equity investments | Tilson |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized losses, net |
|
(2,850,015)
|
| Total unrealized gains (losses) |
|
$ (6,649,985)
|