NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) |
3 Months Ended | 12 Months Ended | 166 Months Ended | 171 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
USD ($)
|
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
|
Mar. 31, 2026
USD ($)
shares
|
Mar. 31, 2026
USD ($)
shares
|
|
| 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 | 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 | $ 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 | $ 9,256,982 | 406,684,725 | ||||||||||||||
| Credit facility payable | $ 238,276,659 | 233,167,360 | $ 238,276,659 | $ 238,276,659 | ||||||||||||
| Asset coverage ratio | 199 | 199 | 199 | |||||||||||||
| Cash balance | $ 52,985 | $ 52,985 | $ 52,985 | |||||||||||||
| Cash held in foreign currency | 33,089 | 33,089 | 33,089 | |||||||||||||
| Cash held in foreign currency at acquisition cost | 33,089 | |||||||||||||||
| Cash equivalents and carried at cost | 3,323,540 | 3,323,540 | 3,323,540 | |||||||||||||
| Deferred offering costs | $ 75,000 | 75,000 | 75,000 | |||||||||||||
| 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 | $ 232,838,812 | 232,838,812 | 232,838,812 | |||||||||||||
| Level 2 | SBA-guaranteed Debentures | ||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | ||||||||||||||||
| Estimated fair values | 124,875,000 | 124,875,000 | 124,875,000 | |||||||||||||
| SBIC Subsidiaries | SBA-guaranteed Debentures | ||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | ||||||||||||||||
| Maximum borrowing capacity | 350,000,000 | 350,000,000 | 350,000,000 | |||||||||||||
| 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 | 73,625,000 | 75,000,000 | 73,625,000 | 73,625,000 | ||||||||||||
| Credit facility payable | 85,000,000 | 124,000,000 | 85,000,000 | 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 | ||||||||||||||||
| NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES | ||||||||||||||||
| Regulatory capital | 87,500,000 | 87,500,000 | 87,500,000 | 87,500,000 | ||||||||||||
| 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 | |||||||||||||
| Credit facility payable | $ 175,000,000 | $ 175,000,000 | $ 175,000,000 | $ 175,000,000 | ||||||||||||