NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) |
3 Months Ended | 6 Months Ended | 12 Months Ended | 169 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2026
USD ($)
$ / shares
shares
|
Jun. 30, 2026
USD ($)
$ / shares
shares
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2024
USD ($)
shares
|
Dec. 31, 2023
USD ($)
shares
|
Dec. 31, 2022
USD ($)
shares
|
Dec. 31, 2021
USD ($)
shares
|
Dec. 31, 2020
USD ($)
shares
|
Dec. 31, 2019
USD ($)
shares
|
Dec. 31, 2018
USD ($)
shares
|
Dec. 31, 2017
USD ($)
shares
|
Dec. 31, 2014
USD ($)
shares
|
Dec. 31, 2013
USD ($)
shares
|
Dec. 31, 2012
USD ($)
shares
|
Jun. 30, 2026
USD ($)
shares
|
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| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Issuance of common stock, net of offering costs (shares) | shares | 1,466,136 | 3,355,476 | 4,458,873 | 149,174 | 31,592 | 354,257 | 3,177,936 | 7,931 | 3,465,922 | 380,936 | 63,998 | 12,035,023 | 28,947,254 | ||||||
| Gross proceeds | $ 20,588,960 | $ 46,494,756 | $ 62,871,349 | $ 2,070,935 | $ 449,515 | $ 5,023,843 | $ 45,862,995 | $ 93,737 | $ 48,741,406 | $ 5,485,780 | $ 899,964 | $ 180,522,093 | $ 419,105,333 | ||||||
| Payments of offering expenses and underwriting fees | 13,093,525 | ||||||||||||||||||
| Offering expenses reimbursements | 672,917 | ||||||||||||||||||
| Proceeds from the issuance of common stock | $ 13,153,366 | 406,684,725 | |||||||||||||||||
| Repurchase of common stock (in shares) | shares | 274,343 | 274,343 | |||||||||||||||||
| Repurchase of common stock | $ 2,447,682 | [1] | $ 2,447,682 | ||||||||||||||||
| Weighted average net repurchase price | $ / shares | $ 8.92 | $ 8.92 | |||||||||||||||||
| Credit facility payable | $ 219,221,522 | $ 219,221,522 | 233,167,360 | $ 219,221,522 | |||||||||||||||
| Asset coverage ratio | 206 | 206 | 206 | ||||||||||||||||
| Cash balance | $ 318,170 | $ 318,170 | $ 318,170 | ||||||||||||||||
| Cash held in foreign currency | 154,511 | 154,511 | 154,511 | ||||||||||||||||
| Cash held in foreign currency at acquisition cost | 154,511 | ||||||||||||||||||
| Cash balance exceeds FDIC levels | 68,170 | 68,170 | 68,170 | ||||||||||||||||
| Cash equivalents and carried at cost | 4,820,780 | 4,820,780 | 4,820,780 | ||||||||||||||||
| Deferred offering costs | 0 | $ 0 | 0 | ||||||||||||||||
| SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Debt securities maturity | 10 years | ||||||||||||||||||
| Level 3 | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Estimated fair values | 231,686,598 | $ 231,686,598 | 231,686,598 | ||||||||||||||||
| Level 2 | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Estimated fair values | 124,906,250 | 124,906,250 | 124,906,250 | ||||||||||||||||
| SBIC Subsidiaries | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Additional borrowing capacity | 475,000,000 | 475,000,000 | 475,000,000 | ||||||||||||||||
| SBIC I subsidiary | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Maximum borrowing capacity | 150,000,000 | 150,000,000 | 150,000,000 | ||||||||||||||||
| Regulatory capital | 64,065,000 | 64,065,000 | 75,000,000 | 64,065,000 | |||||||||||||||
| Credit facility payable | 85,000,000 | 85,000,000 | 124,000,000 | 85,000,000 | |||||||||||||||
| SBIC I subsidiary | Minimum | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Regulatory capital | 75,000,000 | 75,000,000 | 75,000,000 | ||||||||||||||||
| SBIC II Subsidiary | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Maximum borrowing capacity | 175,000,000 | 175,000,000 | 175,000,000 | ||||||||||||||||
| Regulatory capital | 87,500,000 | 87,500,000 | 87,500,000 | 87,500,000 | |||||||||||||||
| Credit facility payable | 175,000,000 | 175,000,000 | 175,000,000 | 175,000,000 | |||||||||||||||
| SBIC III subsidiary | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Maximum borrowing capacity | 250,000,000 | 250,000,000 | 250,000,000 | ||||||||||||||||
| Regulatory capital | 20,000,000 | 20,000,000 | 20,000,000 | ||||||||||||||||
| Credit facility payable | 0 | 0 | $ 0 | 0 | |||||||||||||||
| SBIC III subsidiary | Minimum | SBA-guaranteed Debentures | |||||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | |||||||||||||||||||
| Regulatory capital | $ 125,000,000 | $ 125,000,000 | $ 125,000,000 | ||||||||||||||||
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