Investments - Summary of Changes in Portfolio Investment Assets Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Details) - Level 3 - USD ($)
|
3 Months Ended |
Mar. 31, 2026 |
Mar. 31, 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 gains, net |
1,075,571
|
925,332
|
| Total unrealized (losses) gains |
(2,040,116)
|
(1,298,384)
|
| Purchases of securities/changes to securities/non-cash conversions |
5,375,854
|
1,037,607
|
| Repayments and sales of securities |
(1,348,741)
|
(9,325,233)
|
| Ending balance, of Level 3 Assets |
51,543,064
|
62,157,363
|
| Change in unrealized appreciation/depreciation included in earnings related to Level 3 investments still held at reporting date |
(988,457)
|
(578,384)
|
| Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(1,023,457)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
123,886
|
58,573
|
| Bauer |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
288,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
600
|
|
| BlackJet |
|
|
| 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 |
5,642
|
|
| 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] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
32,964
|
|
| FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
(247,619)
|
| Purchases of securities/changes to securities/non-cash conversions |
400,000
|
212,770
|
| Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
75,292
|
158,454
|
| Carolina Skiff |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized gains, net |
3,112
|
|
| Repayments and sales of securities |
(3,112)
|
|
| FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
13,521
|
12,222
|
| GoNoodle |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized gains, net |
|
(25)
|
| Purchases of securities/changes to securities/non-cash conversions |
3,637
|
3,601
|
| Hilton Displays |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(1,071,824)
|
| Highland |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
400,000
|
|
| Purchases of securities/changes to securities/non-cash conversions |
33,058
|
31,751
|
| EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
288,235
|
| 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
|
| 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 gains, 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] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
6,330
|
6,266
|
| MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(403,000)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
680,924
|
124,575
|
| Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized gains, net |
|
870,000
|
| Total unrealized (losses) gains |
|
(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 gains, net |
1,072,459
|
|
| Total unrealized (losses) gains |
(1,051,659)
|
256,000
|
| Purchases of securities/changes to securities/non-cash conversions |
|
31,950
|
| Repayments and sales of securities |
(1,316,459)
|
|
| Applied Image, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
(29,170)
|
|
| 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 unrealized (losses) gains |
|
(875,000)
|
| Purchases of securities/changes to securities/non-cash conversions |
32,964
|
533,454
|
| Repayments and sales of securities |
0
|
(5,572,902)
|
| Ending balance, of Level 3 Assets |
3,187,551
|
9,123,425
|
| 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 |
32,964
|
|
| 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 |
|
158,454
|
| 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
|
| Loan investments | Mattison |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
|
(5,572,902)
|
| 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 (losses) gains |
(1,426,457)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
4,292,890
|
504,153
|
| Repayments and sales of securities |
(29,170)
|
(2,796,974)
|
| Ending balance, of Level 3 Assets |
38,140,230
|
35,750,900
|
| Debt investments | Autotality (formerly Filterworks Acquisition USA, LLC) |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(1,023,457)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
123,886
|
58,573
|
| 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 |
600
|
|
| 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 |
5,642
|
|
| 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] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
400,000
|
212,770
|
| 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 |
25,292
|
|
| Debt investments | FCM |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
13,521
|
12,222
|
| 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 |
3,637
|
3,601
|
| 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 | Highland |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Purchases of securities/changes to securities/non-cash conversions |
33,058
|
31,751
|
| 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 |
6,330
|
6,266
|
| Debt investments | MRES |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(403,000)
|
|
| Purchases of securities/changes to securities/non-cash conversions |
680,924
|
124,575
|
| 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 |
|
31,950
|
| Debt investments | Applied Image, Inc. |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Repayments and sales of securities |
(29,170)
|
|
| 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 gains, net |
$ 1,075,571
|
$ 925,332
|
| 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 (losses) gains |
$ (613,659)
|
$ (423,384)
|
| 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 |
$ 1,050,000
|
|
| Repayments and sales of securities |
(1,319,571)
|
$ (955,357)
|
| Ending balance, of Level 3 Assets |
10,215,283
|
17,283,038
|
| Equity investments | Bauer |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
288,000
|
|
| Equity investments | BlackJet |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
(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 | FSS |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
(247,619)
|
| Equity investments | Caitec |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| 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 gains, net |
3,112
|
|
| 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 gains, net |
|
(25)
|
| Equity investments | Highland |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
400,000
|
|
| Equity investments | EFINEA |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total unrealized (losses) gains |
|
288,235
|
| Equity investments | Microcision |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized gains, net |
|
55,357
|
| Repayments and sales of securities |
|
(55,357)
|
| Equity investments | Pressure Pro |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total realized gains, net |
|
870,000
|
| Total unrealized (losses) gains |
|
(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 gains, net |
1,072,459
|
|
| Total unrealized (losses) gains |
(1,051,659)
|
$ 256,000
|
| Repayments and sales of securities |
$ (1,316,459)
|
|