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FINANCIAL HIGHLIGHTS (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Per Share Operating Performance: |  |  |
Net asset value, beginning of year | $ 17.24 | $ 11.65 | $ 7.74
Total income (loss) | (8.56) | 5.78 | 4.01
Total expenses | (0.10) | (0.19) | (0.10)
Net increase (decrease) in net asset value | (8.66) | 5.59 | 3.91
Net asset value, end of year | $ 8.58 | $ 17.24 | $ 11.65
Total Return | (50.23%) | 47.98% | 50.52%
Ratios to Average Net Assets |  |  |
Total income (loss) | (75.12%) | 11.13% | 28.53%
Management fees | 0.75% | 0.75% | 0.75%
Total expenses excluding management fees | 1.11% | 0.61% | 1.28%
Expense waived | (0.96%) | (0.46%) | (1.13%)
Net expense excluding management fees | 0.15% | 0.15% | 0.15%
Net income (loss) | (76.02%) | 10.23% | 27.63%

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