v3.24.1
FINANCIAL HIGHLIGHTS (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Per Share Data (1)          
Net asset value at beginning of period $ 2.89 $ 2.80 $ 2.44 $ 2.05 $ 2.30
Net investment gain (loss) (0.07) 0.13 0.27 0.11 (0.14)
Net realized and unrealized gain (loss) (0.19) (0.11) 0.54 0.41 0.00
(Provision for) benefit from income taxes 0.07 0.00 (0.23) (0.05) 0.00
Issuance of common stock 0.07 0.00 0.00 0.00 0.00
Stock-based compensation 0.23 0.05 0.00 (0.02) 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) (0.22) (0.11) (0.11)
Net asset value at end of period 2.91 2.89 2.80 2.44 2.05
Ratio / Supplemental Data          
Per share market value of investments at end of period $ 2.75 $ 2.70 $ 2.95 $ 1.40 $ 0.36
Shares outstanding at end of period 6,385,255 6,185,255 4,795,739 4,793,739 4,918,845
Average weighted shares outstanding for the period 6,366,481 5,333,028 4,795,242 4,830,691 4,918,845
Net assets at end of period $ 18,590,263 $ 17,871,560 $ 13,414,049 $ 11,640,887 $ 10,068,533
Average net assets $ 18,647,600 $ 15,639,394 $ 13,155,207 $ 10,504,563 $ 11,473,535
Total investment return (7.27%) 1.43% 24.07% 23.08% (5.88%)
Portfolio turnover rate 59.65% 129.57% 168.67% 61.11% 7.63%
Ratio of operating expenses to average net assets (19.94%) (21.73%) (10.30%) (7.16%) (7.27%)
Ratio of net investment income (loss) to average net assets (2.25%) 5.12% 9.89% 5.35% 5.86%
Ratio of realized gains (losses) to average net assets (3.00%) 0.85% 31.30% 0.05% 28.35%