FINANCIAL HIGHLIGHTS (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Per Share Data
Net asset value at beginning of period	$ 3.02	$ 2.89	$ 2.80	$ 2.43	$ 2.05	$ 2.30
Net investment income (loss)		(0.06)	0.18	0.20	0.05	(0.11)
Net realized and unrealized gains(losses)		0.01	0.02	0.54	0.14	0.02
Provision for income taxes		0.01	(0.05)	(0.20)	0.00	0.00
Issuance of stock options		0.24	0.00	0.00	0.00	0.00
Issuance of common stock		0.05	0.00	0.00	0.00	0.00
Stock-based compensation		0.00	0.05	0.00	0.00	0.00
Repurchase of common stock		0.00	0.00	0.00	0.05	0.00
Other changes in equity		(0.09)	0.02	0.00	0.00	0.00
Payment of common stock dividend		(0.00)	(0.00)	(0.23)	(0.00)	(0.11)
Net asset value at end of period	3.05	3.05	3.02	2.74	2.29	2.10
Ratio / Supplemental Data
Per share market value of investments at end of period	$ 2.75	$ 2.75	$ 2.92	$ 2.30	$ 1.71	$ 1.58
Shares outstanding at end of period	6,385,255	6,385,255	6,185,255	4,795,739	4,754,104	4,918,845
Average weighted shares outstanding for the period basic		6,204,303	5,045,830	4,795,075	4,836,170	4,918,845
Average weighted shares outstanding for the period diluted		6,320,871	5,045,830	4,795,075	4,836,170	4,918,845
Net assets at end of period	$ 19,478,006	$ 19,478,006	$ 18,658,595	$ 13,140,835	$ 10,805,062	$ 10,588,689
Average net assets		$ 18,661,934	$ 15,081,352	$ 13,090,497	$ 10,220,482	$ 12,304,975
Total investment return		(2.76%)	6.07%	22.22%	(8.79%)	(8.82%)
Portfolio turnover rate		59.61%	66.81%	124.55%	18.18%	7.11%
Ratio of operating expenses to average net assets		(20.10%)	(19.24%)	(10.31%)	(6.49%)	(7.70%)
Ratio of net investment income (loss) to average net assets		(2.76%)	10.09%	9.87%	3.35%	(6.40%)