Annual report [Section 13 and 15(d), not S-K Item 405]

Financial Highlights - Schedule of Financial Highlights (Details)

v3.25.0.1
Financial Highlights - Schedule of 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 (in Dollars per share) $ 0.266 $ 0.286 $ 0.187 $ 0.276 $ 0.345
Net investment income (loss) (in Dollars per share) [1] 0.007 (0.006) (0.007) (0.005) (0.009)
Change in unrealized gain (loss) (in Dollars per share) [1] (0.008) 0.025 0.106 (0.022) (0.06)
Realized gain (loss) (in Dollars per share) [1] 0.036 (0.062)
Dividend distribution (in Dollars per share) [1] (0.075)
Net asset value at end of period (in Dollars per share) $ 0.265 $ 0.266 $ 0.286 $ 0.187 $ 0.276
Total return based on net asset value [2] (0.40%) (7.00%) 52.90% (32.60%) (20.00%)
Weighted average shares outstanding for period, basic (in Shares) 120,486,061 120,486,061 120,486,061 120,486,061 120,486,061
Ratio/Supplemental Data:          
Net assets at end of period (in Dollars) $ 31,904,562 $ 32,083,462 $ 34,472,992 $ 22,479,540 $ 33,280,329
Average net assets (in Dollars) $ 32,367,206 $ 35,317,720 $ 29,126,862 $ 25,276,013 $ 38,504,249
Total operating expenses to average net assets 4.90% 6.60% 6.00% 6.20% 5.80%
Net operating expenses to average net assets 4.90% 6.60% 6.00% 6.20% 5.80%
Net operating expenses excluding management fees, incentive fees, and interest expense to average net assets 4.00% 5.60% 5.10% 5.20% 4.90%
Net investment income (loss) to average net assets 2.50% (2.20%) (3.00%) (2.70%) (2.80%)
Net investment income (loss) to average net assets, excluding other income from non-investment sources 2.50% (2.30%) (3.00%) (3.00%) (2.80%)
Net increase (decrease) in net assets resulting from operations to average net assets (0.60%) 18.80% 41.20% (42.70%) (21.50%)
Portfolio Turnover 0.00% 32.30% 0.40% 0.40% 0.70%
[1] Financial highlights are based on weighted average shares outstanding.
[2] Total return based on net asset value is based upon the change in net asset value per share between the opening and ending net asset values per share in the period. The total returns are not annualized.