INCOME TAXES - Distributions paid to common stockholders (Details) - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
INCOME TAXES
Ordinary income	$ 16,233,665	$ 16,698,542
Qualified dividends	7,212	3,397
Distributions of long-term capital gains	272,933	254,817
Total distributions paid to common shareholders	$ 16,513,810	$ 16,956,756

Amount of dividend distribution from ordinary income and capital gain. Excludes distribution for tax return of capital.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478009/946-205-45-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478009/946-205-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

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